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CVE-2022-30165: Windows Kerberos Elevation of Privilege Vulnerability

• Severity: medium (CVSS 6.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-15 · updated 2026-06-17

Description

Windows Kerberos Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 Version 1607: 20h2, 21h1, 21h2, 1607, 1809
• Microsoft Windows 11 version 21H2: all versions
• Microsoft Windows Server 2016: 20h2
• Microsoft Windows Server 2019: all versions
• Microsoft Windows Server 2022: all versions
• Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5192 — fixed in 10.0.14393.5192
• Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.3046 — fixed in 10.0.17763.3046
• Microsoft Windows 10 20H2: from 10.0.0 before 10.0.19042.1766 — fixed in 10.0.19042.1766
• Microsoft Windows 10 21H1: from 10.0.0 before 10.0.19043.1766 — fixed in 10.0.19043.1766
• Microsoft Windows 10: from 10.0.19043.0 before 10.0.19043.1766 — fixed in 10.0.19043.1766
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.739 — fixed in 10.0.22000.739
• Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5192 — fixed in 10.0.14393.5192
• Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.3046 — fixed in 10.0.17763.3046
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.770 — fixed in 10.0.20348.770
• Microsoft Windows Server version 20H2: from 10.0.0 before 10.0.19042.1766 — fixed in 10.0.19042.1766

How to fix

Upgrade to a fixed version: Microsoft Windows 10 1607 10.0.14393.5192; Microsoft Windows 10 10.0.17763.3046; Microsoft Windows 10 20H2 10.0.19042.1766; Microsoft Windows 10 21H1 10.0.19043.1766; Microsoft Windows 10 10.0.19043.1766; Microsoft Windows 11 21H2 10.0.22000.739; Microsoft Windows Server 2016 10.0.14393.5192; Microsoft Windows Server 2019 10.0.17763.3046; Microsoft Windows Server 2022 10.0.20348.770; Microsoft Windows Server version 20H2 10.0.19042.1766. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30165
• http://packetstormsecurity.com/files/167711/Windows-Kerberos-Redirected-Logon-Buffer-Privilege-Escalation.html
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30165

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