Vulnerability · NVD
CVE-2026-20854
HIGH 7.5
Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.
Attack vector : Network
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.04%
above median
percentile 61.0%
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Server 2025 Fixed in 10.0.26100.32230
- Windows 11 25H2 · 2025-H2 Fixed in 10.0.26200.7623
- Windows 11 24H2 · 2024-H2 Fixed in 10.0.26100.7623