# CVE-2021-1732

Windows Win32k Elevation of Privilege Vulnerability

- Page: https://www.vulneraibility.com/cve/CVE-2021-1732
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2021-11-17; known ransomware use
- EPSS: 78.38% (percentile 99.6)
- Public exploit code: 1 Metasploit module · 13 GitHub proofs of concept (first 2021-03-05)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2021-02-04)
- Weakness: CWE-787
- Published: 2021-02-25

## Affected versions

- Microsoft Windows 10 Version 1803: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1809: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1909: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 2004: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 20H2: affected >= 10.0.0 and < publication
- Microsoft Windows Server 2019: affected >= 10.0.0 and < publication
- Microsoft Windows Server 2019 (Server Core installation): affected >= 10.0.0 and < publication
- Microsoft Windows Server, version 1909 (Server Core installation): affected >= 10.0.0 and < publication
- Microsoft Windows Server version 2004: affected >= 10.0.0 and < publication
- Microsoft Windows Server version 20H2: affected >= 10.0.0 and < publication

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1732
- [other] http://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.html
- [other] http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1732

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.