Public vulnerability disclosure
CVE-2022-26931
Windows Kerberos Elevation of Privilege Vulnerability
published
Windows Kerberos Elevation of Privilege Vulnerability
Technical severity7.5 highCVSS 3.1 · CNA: microsoft
Published2022-05-10Source updated 2026-11-02
Collected2026-11-022 attributed sources
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Windows 10 Version 1809 Microsoft Platforms: 32-bit Systems, x64-based Systems |
≥ 10.0.17763.0; < 10.0.17763.2928 (affected, custom) | CNA: microsoft |
| Windows 10 Version 1809 Microsoft Platforms: ARM64-based Systems |
≥ 10.0.0; < 10.0.17763.2928 (affected, custom) | CNA: microsoft |
| Windows Server 2019 Microsoft Platforms: x64-based Systems |
≥ 10.0.17763.0; < 10.0.17763.2928 (affected, custom) | CNA: microsoft |
| Windows Server 2019 (Server Core installation) Microsoft Platforms: x64-based Systems |
≥ 10.0.17763.0; < 10.0.17763.2928 (affected, custom) | CNA: microsoft |
| Windows 10 Version 1909 Microsoft Platforms: 32-bit Systems, x64-based Systems, ARM64-based Systems |
≥ 10.0.0; < 10.0.18363.2274 (affected, custom) | CNA: microsoft |
| Windows 10 Version 21H1 Microsoft Platforms: x64-based Systems, ARM64-based Systems, 32-bit Systems |
≥ 10.0.0; < 10.0.19043.1706 (affected, custom) | CNA: microsoft |
| Windows Server 2022 Microsoft Platforms: x64-based Systems |
≥ 10.0.20348.0; < 10.0.20348.707 (affected, custom) | CNA: microsoft |
| Windows 10 Version 20H2 Microsoft Platforms: 32-bit Systems, ARM64-based Systems |
≥ 10.0.0; < 10.0.19042.1706 (affected, custom) | CNA: microsoft |
| Windows Server version 20H2 Microsoft Platforms: x64-based Systems |
≥ 10.0.0; < 10.0.19042.1706 (affected, custom) | CNA: microsoft |
| Windows 11 version 21H2 Microsoft Platforms: x64-based Systems, ARM64-based Systems |
≥ 10.0.0; < 10.0.22000.675 (affected, custom) | CNA: microsoft |
| Windows 10 Version 21H2 Microsoft Platforms: 32-bit Systems, ARM64-based Systems, x64-based Systems |
≥ 10.0.19043.0; < 10.0.19043.1706 (affected, custom) | CNA: microsoft |
| Windows 10 Version 1507 Microsoft Platforms: 32-bit Systems, x64-based Systems |
≥ 10.0.10240.0; < 10.0.10240.19297 (affected, custom) | CNA: microsoft |
| Windows 10 Version 1607 Microsoft Platforms: 32-bit Systems, x64-based Systems |
≥ 10.0.14393.0; < 10.0.14393.5125 (affected, custom) | CNA: microsoft |
| Windows Server 2016 Microsoft Platforms: x64-based Systems |
≥ 10.0.14393.0; < 10.0.14393.5125 (affected, custom) | CNA: microsoft |
| Windows Server 2016 (Server Core installation) Microsoft Platforms: x64-based Systems |
≥ 10.0.14393.0; < 10.0.14393.5125 (affected, custom) | CNA: microsoft |
| Windows 7 Microsoft Platforms: 32-bit Systems |
≥ 6.1.0; < 6.1.7601.25954 (affected, custom) | CNA: microsoft |
| Windows 7 Service Pack 1 Microsoft Platforms: x64-based Systems |
≥ 6.1.0; < 6.1.7601.25954 (affected, custom) | CNA: microsoft |
| Windows 8.1 Microsoft Platforms: 32-bit Systems, x64-based Systems, ARM64-based Systems |
≥ 6.3.0; < 6.3.9600.20371 (affected, custom) | CNA: microsoft |
| Windows Server 2008 Service Pack 2 Microsoft Platforms: 32-bit Systems |
≥ 6.0.6003.0; < 6.0.6003.21481 (affected, custom) | CNA: microsoft |
| Windows Server 2008 Service Pack 2 (Server Core installation) Microsoft Platforms: 32-bit Systems, x64-based Systems |
≥ 6.0.6003.0; < 6.0.6003.21481 (affected, custom) | CNA: microsoft |
| Windows Server 2008 Service Pack 2 Microsoft Platforms: x64-based Systems |
≥ 6.0.6003.0; < 6.0.6003.21481 (affected, custom) | CNA: microsoft |
| Windows Server 2008 R2 Service Pack 1 Microsoft Platforms: x64-based Systems |
≥ 6.1.7601.0; < 6.1.7601.25954 (affected, custom) | CNA: microsoft |
| Windows Server 2008 R2 Service Pack 1 (Server Core installation) Microsoft Platforms: x64-based Systems |
≥ 6.1.7601.0; < 6.1.7601.25954 (affected, custom) | CNA: microsoft |
| Windows Server 2012 Microsoft Platforms: x64-based Systems |
≥ 6.2.9200.0; < 6.2.9200.23714 (affected, custom) | CNA: microsoft |
| Windows Server 2012 (Server Core installation) Microsoft Platforms: x64-based Systems |
≥ 6.2.9200.0; < 6.2.9200.23714 (affected, custom) | CNA: microsoft |
| Windows Server 2012 R2 Microsoft Platforms: x64-based Systems |
≥ 6.3.9600.0; < 6.3.9600.20371 (affected, custom) | CNA: microsoft |
| Windows Server 2012 R2 (Server Core installation) Microsoft Platforms: x64-based Systems |
≥ 6.3.9600.0; < 6.3.9600.20371 (affected, custom) | CNA: microsoft |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.5 high |
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | CNA: microsoft |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26931CNA: microsoft · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26931ADP: CVE · x_refsource_MISC, x_transferred
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