CVE-2023-36391: Microsoft Windows 11 23h2

High severity, CVSS 7.8. EPSS: 7.2% chance of exploitation in the next 30 days.

Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 11 23h2: before 10.0.22631.2861 (fixed in 10.0.22631.2861)

Published 2023-12-12. Last modified 2026-06-17.