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8.4 High Exploited

CVE-2021-33739 Microsoft Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability

Active exploitation observed

· CISA KEV catalogue
Required action Apply updates per vendor instructions.
Ransomware campaigns Not observed so far

Description

Microsoft DWM Core Library Elevation of Privilege Vulnerability

Affected products and versions

Product Affected versions Fixed in
Windows 10 Version 1909 10.0 10.0.0 → < 10.0.18363.1621 10.0.18363.1621
Windows 10 Version 21H1 10.0 10.0.0 → < 10.0.19043.1052 10.0.19043.1052
Windows 10 Version 2004 10.0 10.0.0 → < 10.0.19041.1052 10.0.19041.1052
Windows Server version 2004 10.0 10.0.0 → < 10.0.19041.1052 10.0.19041.1052
Windows 10 Version 20H2 10.0 10.0.0 → < 10.0.19042.1052 10.0.19042.1052
Windows Server version 20H2 10.0 10.0.0 → < 10.0.19042.1052 10.0.19042.1052

References

Timeline

  1. Published
  2. Added to the KEV catalogue
  3. Last modified
The 1046 CVEs of Windows 10 Version 1909 →
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