7.8
High
Exploited
· ransomware
CVE-2021-1732 Microsoft Win32k Privilege Escalation Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Known to be used
Weakness
CWE-787
Description
Windows Win32k Elevation of Privilege Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1803 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 1809 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server 2019 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 1909 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server, version 1909 (Server Core installation) 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 2004 10.0 | 10.0.0 → latest | No fix stated |
| Windows Server version 2004 10.0 | 10.0.0 → latest | No fix stated |
| Windows 10 Version 20H2 10.0 | 10.0.0 → latest | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server version 20H2 10.0 | 10.0.0 → latest | No fix stated |
References
- portal.msrc.microsoft.com portal.msrc.microsoft.com
- packetstormsecurity.com packetstormsecurity.com
- packetstormsecurity.com packetstormsecurity.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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