High severity7.8NVD Advisory· Published Mar 11, 2021· Updated Jun 17, 2026
CVE-2021-26900
CVE-2021-26900
Description
Windows Win32k Elevation of Privilege Vulnerability
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*+ 3 more
- cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*range: 10.0.0
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26900nvdPatchVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-21-331/nvdThird Party Advisory
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