CVE-2026-32195
CVE-2026-32195 is a high-severity vulnerability in Microsoft Windows 11 26h1 with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.
Key facts
- Severity: High (CVSS 3.x base score 7.0)
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-22575
- Weakness: CWE-121
- Affected product: Microsoft Windows 11 26h1
- Published:
- Last modified:
Description
Stack-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Frequently asked questions
- What is CVE-2026-32195?
- Stack-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- How severe is CVE-2026-32195?
- CVE-2026-32195 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-32195 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-32195?
- CVE-2026-32195 primarily affects Microsoft Windows 11 26h1. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-32195?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-32195 have an EU (EUVD) identifier?
- Yes. CVE-2026-32195 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22575.
- When was CVE-2026-32195 published?
- CVE-2026-32195 was published on 2026-04-14 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
More vulnerabilities in Microsoft Windows 11 26h1
- CVE-2026-47291 — Critical (CVSS 9.8): Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.
- CVE-2026-45657 — Critical (CVSS 9.8): Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.
- CVE-2026-44815 — Critical (CVSS 9.8): Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-41096 — Critical (CVSS 9.8): Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
- CVE-2026-33824 — Critical (CVSS 9.8): Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
- CVE-2026-42904 — Critical (CVSS 9.6): Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent…
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- CVE-2026-12847 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
- CVE-2026-12846 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
- CVE-2026-12485 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
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- CVE-2026-42996 — Critical (CVSS 10.0): JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of…
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