Nov 2026: Windows Kerberos Elevation of Privilege Vulnerability
CVE-2026-122164 Published on November 10, 2026

Windows Kerberos Elevation of Privilege Vulnerability
Weak authentication in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

Vendor Advisory NVD

Vulnerability Analysis

Exploitation:

NONE

Automatable:

NO

Technical Impact:

TOTAL

Weakness Type

CWE-1390

Products Associated with CVE-2026-122164

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Microsoft Windows 10

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Microsoft Windows Server 2016

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Microsoft Windows Server 2019

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Microsoft Windows Server 2022

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Microsoft Windows 11 23h2

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Microsoft Windows 11 24h2

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Microsoft Windows 11 25h2

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Microsoft Windows 11 Version 26h2 Arm64 Based Systems

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Microsoft Windows Server 2025

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Microsoft Windows 11 26h1

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Affected Versions

• Version 10.0.14393.0 and below 10.0.14393.9688 is affected.

• Version 10.0.17763.0 and below 10.0.17763.9487 is affected.

• Version 10.0.19044.0 and below 10.0.19044.7846 is affected.

• Version 10.0.19045.0 and below 10.0.19045.7846 is affected.

• Version 10.0.22631.0 and below 10.0.22631.7711 is affected.

• Version 10.0.22631.0 and below 10.0.22631.7711 is affected.

• Version 10.0.26100.0 and below 10.0.26100.9974 is affected.

• Version 10.0.26200.0 and below 10.0.26200.9974 is affected.

• Version 10.0.28000.0 and below 10.0.28000.3501 is affected.

• Version 10.0.26300.0 and below 10.0.26300.9974 is affected.

• Version 10.0.14393.0 and below 10.0.14393.9688 is affected.

• Version 10.0.14393.0 and below 10.0.14393.9688 is affected.

• Version 10.0.17763.0 and below 10.0.17763.9487 is affected.

• Version 10.0.17763.0 and below 10.0.17763.9487 is affected.

• Version 10.0.20348.0 and below 10.0.20348.5870 is affected.

• Version 10.0.26100.0 and below 10.0.26100.33822 is affected.

• Version 10.0.26100.0 and below 10.0.26100.33822 is affected.