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CVE-2025-54918

Windows NTLM Elevation of Privilege Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.0.10240.21128, 10.0.14393.8422, 10.0.17763.7792, 10.0.19044.6332, 10.0.19045.6332, and 9 more
2 proofs of concept on GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Microsoft Windows 10 Version 1507

    From 10.0.10240.0 · fixed in 10.0.10240.21128

  • Microsoft Windows 10 Version 1607

    From 10.0.14393.0 · fixed in 10.0.14393.8422

  • Microsoft Windows 10 Version 1809

    From 10.0.17763.0 · fixed in 10.0.17763.7792

  • Microsoft Windows 10 Version 21H2

    From 10.0.19044.0 · fixed in 10.0.19044.6332

  • Microsoft Windows 10 Version 22H2

    From 10.0.19045.0 · fixed in 10.0.19045.6332

  • Microsoft Windows 11 version 22H2

    From 10.0.22621.0 · fixed in 10.0.22621.5909

  • Microsoft Windows 11 version 22H3

    From 10.0.22631.0 · fixed in 10.0.22631.5909

  • Microsoft Windows 11 Version 23H2

    From 10.0.22631.0 · fixed in 10.0.22631.5909

  • Microsoft Windows 11 Version 24H2

    From 10.0.26100.0 · fixed in 10.0.26100.6584

  • Microsoft Windows Server 2008 R2 Service Pack 1

    From 6.1.7601.0 · fixed in 6.1.7601.27929

  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)

    From 6.1.7601.0 · fixed in 6.1.7601.27929

  • Microsoft Windows Server 2008 Service Pack 2

    From 6.0.6003.0 · fixed in 6.0.6003.23529

  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)

    From 6.0.6003.0 · fixed in 6.0.6003.23529

  • Microsoft Windows Server 2012

    From 6.2.9200.0 · fixed in 6.2.9200.25675

  • Microsoft Windows Server 2012 (Server Core installation)

    From 6.2.9200.0 · fixed in 6.2.9200.25675

  • Microsoft Windows Server 2012 R2

    From 6.3.9600.0 · fixed in 6.3.9600.22774

  • Microsoft Windows Server 2012 R2 (Server Core installation)

    From 6.3.9600.0 · fixed in 6.3.9600.22774

  • Microsoft Windows Server 2016

    From 10.0.14393.0 · fixed in 10.0.14393.8422

  • Microsoft Windows Server 2016 (Server Core installation)

    From 10.0.14393.0 · fixed in 10.0.14393.8422

  • Microsoft Windows Server 2019

    From 10.0.17763.0 · fixed in 10.0.17763.7792

  • Microsoft Windows Server 2019 (Server Core installation)

    From 10.0.17763.0 · fixed in 10.0.17763.7792

  • Microsoft Windows Server 2022

    From 10.0.20348.0 · fixed in 10.0.20348.4171

  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

    From 10.0.25398.0 · fixed in 10.0.25398.1849

  • Microsoft Windows Server 2025

    From 10.0.26100.0 · fixed in 10.0.26100.6584

  • Microsoft Windows Server 2025 (Server Core installation)

    From 10.0.26100.0 · fixed in 10.0.26100.6584

References 3

msrc.microsoft.com

GitHub · Wh0am123/CVE-2025-54918-POC

GitHub · mrk336/From-Foothold-to-Domain-Admin-Weaponizing-CVE-2025-54918-in-Real-World-DevOps