CVE-2022-21919: Microsoft Windows User Profile Service Privilege Escalation Vulnerability

High severity, CVSS 7.0. Actively exploited: in CISA KEV since 2022-04-25. EPSS: 2.4% chance of exploitation in the next 30 days.

Windows User Profile Service Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 1507: before 10.0.10240.19177 (fixed in 10.0.10240.19177)
• Microsoft Windows 10 1607: before 10.0.14393.4886 (fixed in 10.0.14393.4886)
• Microsoft Windows 10 1809: before 10.0.17763.2452 (fixed in 10.0.17763.2452)
• Microsoft Windows 10 1909: before 10.0.18363.2037 (fixed in 10.0.18363.2037)
• Microsoft Windows 10 20h2: before 10.0.19042.1466 (fixed in 10.0.19042.1466)
• Microsoft Windows 10 21h1: before 10.0.19043.1466 (fixed in 10.0.19043.1466)
• Microsoft Windows 10 21h2: before 10.0.19044.1466 (fixed in 10.0.19044.1466)
• Microsoft Windows 11 21h2: before 10.0.22000.434 (fixed in 10.0.22000.434)
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• 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: before 10.0.14393.4886 (fixed in 10.0.14393.4886)
• Microsoft Windows Server 2019: before 10.0.17763.2452 (fixed in 10.0.17763.2452)
• Microsoft Windows Server 2022: before 10.0.20348.469 (fixed in 10.0.20348.469)
• Microsoft Windows Server 20h2: before 10.0.19042.1466 (fixed in 10.0.19042.1466)

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