Skip to main content
← All vulnerabilities
CVE-2026-96219

Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability

Published
Last modified
Status
published
Known exploitation
Not listed in CISA KEV
Fix
Fixed in 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652, 10.0.26100.9711, and 5 more
Public exploit
None on Exploit-DB
CISA SSVC
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total
?

Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).

SSVC documentation

Summary

Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network.

Affected versions

  • Microsoft Windows 10 Version 1809

    From 10.0.17763.0 · fixed in 10.0.17763.9376

  • Microsoft Windows 10 Version 21H2

    From 10.0.19044.0 · fixed in 10.0.19044.7807

  • Microsoft Windows 10 Version 22H2

    From 10.0.19045.0 · fixed in 10.0.19045.7807

  • Microsoft Windows 11 version 23H2

    From 10.0.22631.0 · fixed in 10.0.22631.7652

  • Microsoft Windows 11 Version 23H2

    From 10.0.22631.0 · fixed in 10.0.22631.7652

  • Microsoft Windows 11 Version 24H2

    From 10.0.26100.0 · fixed in 10.0.26100.9711

  • Microsoft Windows 11 Version 25H2

    From 10.0.26200.0 · fixed in 10.0.26200.9711

  • Microsoft Windows 11 version 26H1

    From 10.0.28000.0 · fixed in 10.0.28000.3231

  • Microsoft Windows 11 Version 26H2

    From 10.0.26300.0 · fixed in 10.0.26300.9711

  • Microsoft Windows Server 2019

    From 10.0.17763.0 · fixed in 10.0.17763.9376

  • Microsoft Windows Server 2019 (Server Core installation)

    From 10.0.17763.0 · fixed in 10.0.17763.9376

  • Microsoft Windows Server 2022

    From 10.0.20348.0 · fixed in 10.0.20348.5761

  • Microsoft Windows Server 2025

    From 10.0.26100.0 · fixed in 10.0.26100.33650

  • Microsoft Windows Server 2025 (Server Core installation)

    From 10.0.26100.0 · fixed in 10.0.26100.33650

References 1

msrc.microsoft.com