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VULNERABILITIES

CVE-2021-40449 Details

Description

Win32k Elevation of Privilege Vulnerability

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40449 CISA-ADPUS Government Resource
http://packetstormsecurity.com/files/164926/Win32k-NtGdiResetDC-Use-After-Free-Local-Privilege-Escalation.html CVEExploitThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40449 CVEPatchVendor Advisory
http://packetstormsecurity.com/files/164926/Win32k-NtGdiResetDC-Use-After-Free-Local-Privilege-Escalation.html [email protected]ExploitThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40449 [email protected]PatchVendor Advisory

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability NameDate AddedDue DateRequired Action
Microsoft Windows Win32k Privilege Escalation VulnerabilityNov 17, 2021Dec 1, 2021Apply updates per vendor instructions.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]
CWE-416Use After FreeCISA-ADP

Affected Products

ProductVersions

Change History

18 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-40449
NVD Published Date:
Oct 13, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-40449 Details - Not Deferred