CVE-2022-26788: Microsoft PowerShell

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

PowerShell Elevation of Privilege Vulnerability

Affected products

• Microsoft PowerShell: from 7.0, before 7.0.10 (fixed in 7.0.10); from 7.1, before 7.1.7 (fixed in 7.1.7); from 7.2, before 7.2.3 (fixed in 7.2.3)
• Microsoft Windows 10: affected versions not specified; version 20h2 only; version 21h1 only; version 21h2 only; version 1607 only; version 1809 only; …
• Microsoft Windows 11: 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: version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Server 2016: affected versions not specified; version 20h2 only
• Microsoft Windows Server 2019: affected versions not specified
• Microsoft Windows Server 2022: affected versions not specified

Published 2022-04-15. Last modified 2026-06-17.