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CVE-2026-0390

UEFI Secure Boot Security Feature Bypass Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.0.14393.9060, 10.0.17763.8644, 10.0.19044.7184, 10.0.19045.7184, 10.0.20348.5020
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Microsoft Windows 10 Version 1607

    From 10.0.14393.0 · fixed in 10.0.14393.9060

  • Microsoft Windows 10 Version 1809

    From 10.0.17763.0 · fixed in 10.0.17763.8644

  • Microsoft Windows 10 Version 21H2

    From 10.0.19044.0 · fixed in 10.0.19044.7184

  • Microsoft Windows 10 Version 22H2

    From 10.0.19045.0 · fixed in 10.0.19045.7184

  • Microsoft Windows Server 2016

    From 10.0.14393.0 · fixed in 10.0.14393.9060

  • Microsoft Windows Server 2016 (Server Core installation)

    From 10.0.14393.0 · fixed in 10.0.14393.9060

  • Microsoft Windows Server 2019

    From 10.0.17763.0 · fixed in 10.0.17763.8644

  • Microsoft Windows Server 2019 (Server Core installation)

    From 10.0.17763.0 · fixed in 10.0.17763.8644

  • Microsoft Windows Server 2022

    From 10.0.20348.0 · fixed in 10.0.20348.5020

References 1

msrc.microsoft.com