Microsoft Windows 11 26h1 — known CVE vulnerabilities

Every CVE whose affected-product data names Microsoft Windows 11 26h1, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (200)

• CVE-2026-57092 — CVSS 9.9 (critical): Use after free in Windows VMSwitch allows an authorized attacker to elevate privileges over a network.
• CVE-2026-56190 — CVSS 9.8 (critical): Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.
• CVE-2026-49172 — CVSS 9.8 (critical): Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network.
• CVE-2026-47291 — CVSS 9.8 (critical): Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
• CVE-2026-62815 — CVSS 9.8 (critical): Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
• CVE-2026-33824 — CVSS 9.8 (critical) — actively exploited: Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
• CVE-2026-45657 — CVSS 9.8 (critical): Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.
• CVE-2026-44815 — CVSS 9.8 (critical): Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network.
• CVE-2026-42990 — CVSS 9.8 (critical): Heap-based buffer overflow in SQL Server ODBC driver allows an unauthorized attacker to execute code over a network.
• CVE-2026-54990 — CVSS 9.8 (critical): Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
• CVE-2026-50447 — CVSS 9.8 (critical): Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
• CVE-2026-56188 — CVSS 9.8 (critical): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Network driver allows an…
• CVE-2026-41096 — CVSS 9.8 (critical): Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
• CVE-2026-42904 — CVSS 9.6 (critical): Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.
• CVE-2026-50380 — CVSS 9.6 (critical): Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
• CVE-2026-49798 — CVSS 9.3 (critical): Use after free in Windows Kernel allows an unauthorized attacker to elevate privileges locally.
• CVE-2026-45602 — CVSS 9.1 (critical): No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.
• CVE-2026-25177 — CVSS 8.8 (high): Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate…
• CVE-2026-50413 — CVSS 8.8 (high): Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
• CVE-2026-50692 — CVSS 8.8 (high): Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
• CVE-2026-50382 — CVSS 8.8 (high): Untrusted pointer dereference in Windows DirectX allows an authorized attacker to execute code locally.
• CVE-2026-49795 — CVSS 8.8 (high): Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-40403 — CVSS 8.8 (high): Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
• CVE-2026-32157 — CVSS 8.8 (high): Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
• CVE-2026-54107 — CVSS 8.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker…
• CVE-2026-57087 — CVSS 8.8 (high): Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
• CVE-2026-50398 — CVSS 8.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker…
• CVE-2026-50369 — CVSS 8.8 (high): Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.
• CVE-2026-50474 — CVSS 8.8 (high): Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
• CVE-2026-62822 — CVSS 8.8 (high): Integer overflow or wraparound in Windows GDI+ allows an unauthorized attacker to execute code over a network.
• CVE-2026-62817 — CVSS 8.8 (high): Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
• CVE-2026-62816 — CVSS 8.8 (high): Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent…
• CVE-2026-62800 — CVSS 8.8 (high): Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
• CVE-2026-23669 — CVSS 8.8 (high): Use after free in RPC Runtime allows an authorized attacker to execute code over a network.
• CVE-2026-47653 — CVSS 8.8 (high): Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
• CVE-2026-50489 — CVSS 8.8 (high): Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
• CVE-2026-56194 — CVSS 8.8 (high): Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges over a network.
• CVE-2026-50360 — CVSS 8.8 (high): Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a…
• CVE-2026-62795 — CVSS 8.8 (high): Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
• CVE-2026-49179 — CVSS 8.8 (high): Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an unauthorized…
• CVE-2026-32225 — CVSS 8.8 (high): Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
• CVE-2026-49178 — CVSS 8.8 (high): Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.
• CVE-2026-54982 — CVSS 8.8 (high): Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over…
• CVE-2026-50342 — CVSS 8.8 (high): Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
• CVE-2026-58626 — CVSS 8.8 (high): Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
• CVE-2026-50666 — CVSS 8.8 (high): Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a network.
• CVE-2026-42985 — CVSS 8.8 (high): Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
• CVE-2026-56647 — CVSS 8.8 (high): Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to elevate privileges over a…
• CVE-2026-47289 — CVSS 8.8 (high): Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
• CVE-2026-62790 — CVSS 8.8 (high): Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
• CVE-2026-62785 — CVSS 8.8 (high): Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a…
• CVE-2026-34329 — CVSS 8.8 (high): Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network.
• CVE-2026-50670 — CVSS 8.8 (high): Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-25188 — CVSS 8.8 (high): Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.
• CVE-2026-58534 — CVSS 8.8 (high): Heap-based buffer overflow in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
• CVE-2026-54999 — CVSS 8.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized…
• CVE-2026-62784 — CVSS 8.8 (high): Heap-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to execute code over a…
• CVE-2026-50477 — CVSS 8.8 (high): Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-57090 — CVSS 8.8 (high): Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
• CVE-2026-58594 — CVSS 8.8 (high): Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network.
• CVE-2026-24283 — CVSS 8.8 (high): Heap-based buffer overflow in Windows File Server allows an authorized attacker to elevate privileges locally.
• CVE-2026-58608 — CVSS 8.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an…
• CVE-2026-26167 — CVSS 8.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an…
• CVE-2026-50385 — CVSS 8.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized…
• CVE-2026-50687 — CVSS 8.8 (high): Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-57094 — CVSS 8.8 (high): Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
• CVE-2026-50340 — CVSS 8.5 (high): Use after free in Windows Runtime allows an authorized attacker to elevate privileges over a network.
• CVE-2026-32091 — CVSS 8.4 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an…
• CVE-2026-45641 — CVSS 8.4 (high): Access of resource using incompatible type ('type confusion') in Windows Hyper-V allows an unauthorized attacker to execute code locally.
• CVE-2026-32162 — CVSS 8.4 (high): Acceptance of extraneous untrusted data with trusted data in Windows COM allows an unauthorized attacker to elevate privileges locally.
• CVE-2026-49184 — CVSS 8.4 (high): Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
• CVE-2026-54122 — CVSS 8.4 (high): Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally.
• CVE-2026-32221 — CVSS 8.4 (high): Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
• CVE-2026-54128 — CVSS 8.4 (high): Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally.
• CVE-2026-44810 — CVSS 8.4 (high): Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally.
• CVE-2026-45607 — CVSS 8.4 (high): Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.
• CVE-2026-54992 — CVSS 8.4 (high): Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally.
• CVE-2026-56181 — CVSS 8.3 (high): Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent…
• CVE-2026-56179 — CVSS 8.3 (high): Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent…
• CVE-2026-50680 — CVSS 8.2 (high): Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
• CVE-2026-50429 — CVSS 8.2 (high): Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information over a network.
• CVE-2026-47652 — CVSS 8.2 (high): Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
• CVE-2026-45599 — CVSS 8.1 (high): Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.
• CVE-2026-49164 — CVSS 8.1 (high): Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
• CVE-2026-50439 — CVSS 8.1 (high): Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.
• CVE-2026-50686 — CVSS 8.1 (high): Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to execute code over a network.
• CVE-2026-45635 — CVSS 8.1 (high): Access of resource using incompatible type ('type confusion') in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to…
• CVE-2026-66802 — CVSS 8.1 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Device Health Attestation (DHA)…
• CVE-2026-50487 — CVSS 8.1 (high): Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-62819 — CVSS 8.1 (high): Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
• CVE-2026-62781 — CVSS 8.1 (high): Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network.
• CVE-2026-54995 — CVSS 8.1 (high): Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
• CVE-2026-42900 — CVSS 8.1 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows App Store allows an unauthorized…
• CVE-2026-40415 — CVSS 8.1 (high): Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
• CVE-2026-50694 — CVSS 8.1 (high): Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.
• CVE-2026-56186 — CVSS 8.1 (high): Out-of-bounds read in Windows Schannel allows an authorized attacker to disclose information over a network.
• CVE-2026-62889 — CVSS 8.1 (high): Double free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.
• CVE-2026-42974 — CVSS 8.1 (high): Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
• CVE-2026-33827 — CVSS 8.1 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized…
• CVE-2026-62792 — CVSS 8.1 (high): Stack-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
• CVE-2026-42981 — CVSS 8.1 (high): Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
• CVE-2026-50460 — CVSS 8.1 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized…
• CVE-2026-40400 — CVSS 8.0 (high): Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.
• CVE-2026-50365 — CVSS 8.0 (high): Improper authentication in Windows RPC API allows an unauthorized attacker to elevate privileges over an adjacent network.
• CVE-2026-50502 — CVSS 8.0 (high): Insufficient granularity of access control in Windows Event Logging Service allows an authorized attacker to execute code over a network.
• CVE-2026-25173 — CVSS 8.0 (high): Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a…
• CVE-2026-42975 — CVSS 8.0 (high): Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an adjacent network.
• CVE-2026-48576 — CVSS 7.9 (high): No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
• CVE-2026-47656 — CVSS 7.9 (high): Protection mechanism failure in Windows Boot Manager allows an authorized attacker to bypass a security feature locally.
• CVE-2026-45588 — CVSS 7.9 (high): Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
• CVE-2026-48575 — CVSS 7.9 (high): Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
• CVE-2026-45654 — CVSS 7.9 (high): Improper access control in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
• CVE-2026-48568 — CVSS 7.9 (high): Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
• CVE-2026-48570 — CVSS 7.9 (high): Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
• CVE-2026-48573 — CVSS 7.9 (high): No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
• CVE-2026-48578 — CVSS 7.9 (high): Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.
• CVE-2026-62771 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
• CVE-2026-40369 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-40377 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.
• CVE-2026-62770 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Shell allows an authorized attacker to elevate privileges locally.
• CVE-2026-40382 — CVSS 7.8 (high): Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
• CVE-2026-40397 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
• CVE-2026-40398 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
• CVE-2026-40399 — CVSS 7.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker…
• CVE-2026-40404 — CVSS 7.8 (high): Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
• CVE-2026-40407 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
• CVE-2026-40408 — CVSS 7.8 (high): Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
• CVE-2026-40409 — CVSS 7.8 (high): Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
• CVE-2026-65787 — CVSS 7.8 (high): Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
• CVE-2026-62768 — CVSS 7.8 (high): Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
• CVE-2026-62758 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
• CVE-2026-41088 — CVSS 7.8 (high): Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized…
• CVE-2026-41092 — CVSS 7.8 (high): Improper access control in Microsoft Kinect allows an authorized attacker to elevate privileges locally.
• CVE-2026-62755 — CVSS 7.8 (high): Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
• CVE-2026-26156 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.
• CVE-2026-26159 — CVSS 7.8 (high): Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate…
• CVE-2026-42828 — CVSS 7.8 (high): Buffer over-read in Windows Projected File System Filter Driver allows an authorized attacker to elevate privileges locally.
• CVE-2026-42829 — CVSS 7.8 (high): Improper access control in Windows Administrator Protection allows an authorized attacker to bypass a security feature locally.
• CVE-2026-26160 — CVSS 7.8 (high): Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate…
• CVE-2026-42837 — CVSS 7.8 (high): Out-of-bounds read in Windows Projected File System Filter Driver allows an authorized attacker to elevate privileges locally.
• CVE-2026-42896 — CVSS 7.8 (high): Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-62754 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
• CVE-2026-42905 — CVSS 7.8 (high): Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-62752 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
• CVE-2026-62751 — CVSS 7.8 (high): Integer overflow or wraparound in Windows Projected File System allows an authorized attacker to elevate privileges locally.
• CVE-2026-42910 — CVSS 7.8 (high): Out-of-bounds write in Windows Hotpatch Monitoring Service allows an authorized attacker to elevate privileges locally.
• CVE-2026-26161 — CVSS 7.8 (high): Untrusted pointer dereference in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.
• CVE-2026-26162 — CVSS 7.8 (high): Access of resource using incompatible type ('type confusion') in Windows OLE allows an authorized attacker to elevate privileges locally.
• CVE-2026-62747 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
• CVE-2026-62741 — CVSS 7.8 (high): Integer underflow (wrap or wraparound) in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
• CVE-2026-42916 — CVSS 7.8 (high): Integer overflow or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-62739 — CVSS 7.8 (high): Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
• CVE-2026-62737 — CVSS 7.8 (high): Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-62736 — CVSS 7.8 (high): Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
• CVE-2026-62735 — CVSS 7.8 (high): Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
• CVE-2026-62733 — CVSS 7.8 (high): Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.
• CVE-2026-62732 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
• CVE-2026-42976 — CVSS 7.8 (high): Missing authentication for critical function in Windows RPC API allows an authorized attacker to elevate privileges locally.
• CVE-2026-42977 — CVSS 7.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an…
• CVE-2026-42978 — CVSS 7.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an…
• CVE-2026-42979 — CVSS 7.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an…
• CVE-2026-42980 — CVSS 7.8 (high): Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-42982 — CVSS 7.8 (high): Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
• CVE-2026-42983 — CVSS 7.8 (high): Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-26163 — CVSS 7.8 (high): Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-42986 — CVSS 7.8 (high): Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
• CVE-2026-42989 — CVSS 7.8 (high): Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.
• CVE-2026-42991 — CVSS 7.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an…
• CVE-2026-44800 — CVSS 7.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an…
• CVE-2026-44802 — CVSS 7.8 (high): Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-44803 — CVSS 7.8 (high): Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
• CVE-2026-44804 — CVSS 7.8 (high): Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-62722 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Brokering File System allows an authorized attacker to elevate privileges locally.
• CVE-2026-44807 — CVSS 7.8 (high): Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-44808 — CVSS 7.8 (high): Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-44809 — CVSS 7.8 (high): Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
• CVE-2026-44811 — CVSS 7.8 (high): Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-44812 — CVSS 7.8 (high): Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
• CVE-2026-44813 — CVSS 7.8 (high): Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-62721 — CVSS 7.8 (high): Insufficient granularity of access control in User-Mode Power Service (UMPS) allows an authorized attacker to elevate privileges locally.
• CVE-2026-45487 — CVSS 7.8 (high): Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate…
• CVE-2026-62719 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
• CVE-2026-45586 — CVSS 7.8 (high): Improper link resolution before file access ('link following') in Windows Collaborative Translation Framework allows an authorized attacker…
• CVE-2026-45592 — CVSS 7.8 (high): Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to elevate privileges locally.
• CVE-2026-45593 — CVSS 7.8 (high): Use after free in Windows SDK allows an authorized attacker to elevate privileges locally.
• CVE-2026-62717 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
• CVE-2026-62713 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
• CVE-2026-24287 — CVSS 7.8 (high): External control of file name or path in Windows Kernel allows an authorized attacker to elevate privileges locally.
• CVE-2026-45600 — CVSS 7.8 (high): Access of resource using incompatible type ('type confusion') in Windows Kernel-Mode Drivers allows an authorized attacker to elevate…
• CVE-2026-26168 — CVSS 7.8 (high): Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for…
• CVE-2026-65786 — CVSS 7.8 (high): Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
• CVE-2026-62712 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
• CVE-2026-45605 — CVSS 7.8 (high): Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
• CVE-2026-62711 — CVSS 7.8 (high): Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
• CVE-2026-62710 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
• CVE-2026-62707 — CVSS 7.8 (high): Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
• CVE-2026-45636 — CVSS 7.8 (high): Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
• CVE-2026-45637 — CVSS 7.8 (high): Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
• CVE-2026-45638 — CVSS 7.8 (high): Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
• CVE-2026-50458 — CVSS 7.8 (high): Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.