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
- portal.msrc.microsoft.com portal.msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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