CVE-2022-21884: Microsoft Windows Server

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows Server: version 20h2 only; version 2022 only
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: affected versions not specified
• Microsoft Windows Server 2019: affected versions not specified

Published 2022-01-11. Last modified 2026-06-17.