CVE-2022-21975: Microsoft Windows 10

Medium severity, CVSS 4.7. EPSS: 0.5% chance of exploitation in the next 30 days.

Windows Hyper-V Denial of Service Vulnerability

Affected products

• Microsoft Windows 10: affected versions not specified; version 20h2 only; version 21h1 only; version 21h2 only; version 1607 only; version 1809 only; …
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Server: version 20h2 only; version 2022 only
• Microsoft Windows Server 2012: version r2 only
• Microsoft Windows Server 2016: affected versions not specified
• Microsoft Windows Server 2019: affected versions not specified

Published 2022-03-09. Last modified 2026-06-17.