CVE-2021-41339: Microsoft Windows 10

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

Microsoft DWM Core Library Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10: version 20h2 only; version 21h1 only; version 1909 only; version 2004 only
• Microsoft Windows 11: affected versions not specified
• Microsoft Windows Server 2016: version 20h2 only; version 2004 only
• Microsoft Windows Server 2022: affected versions not specified

Published 2021-10-13. Last modified 2026-06-17.