CVE-2022-26926

CVE-2022-26926 is a high-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 7.8. 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-284.

Key facts

• Severity: High (CVSS 3.x base score 7.8)
• CVSS v2: 6.8
• EPSS exploit prediction: 3% (83rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-284
• Affected product: Microsoft Windows 10
• Published: 2022-05-10
• Last modified: 2026-06-17

Description

Windows Address Book Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2022-26926?

Windows Address Book Remote Code Execution Vulnerability

How severe is CVE-2022-26926?

CVE-2022-26926 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-26926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26926?

CVE-2022-26926 primarily affects Microsoft Windows 10. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-26926?

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.

When was CVE-2022-26926 published?

CVE-2022-26926 was published on 2022-05-10 and last updated on 2026-06-17.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26926
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26926

Affected products (35)

• cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
• cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Windows 10

• CVE-2020-1467 — Critical (CVSS 10.0): An elevation of privilege vulnerability exists when Windows improperly handles hard links. An attacker who successfully…
• CVE-2021-26424 — Critical (CVSS 9.9): Windows TCP/IP Remote Code Execution Vulnerability
• CVE-2021-28476 — Critical (CVSS 9.9): Windows Hyper-V Remote Code Execution Vulnerability
• CVE-2021-26867 — Critical (CVSS 9.9): Windows Hyper-V Remote Code Execution Vulnerability
• CVE-2020-1112 — Critical (CVSS 9.9): An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) IIS…
• CVE-2019-1384 — Critical (CVSS 9.9): A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign…

All CVEs affecting Microsoft Windows 10 →

Other CWE-284 (Improper Access Control) vulnerabilities

• CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
• CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
• CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
• CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
• CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
• CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →