Description
Windows Win32k Elevation of Privilege Vulnerability
Affected products
microsoft: windows 10; microsoft: windows server 2016; microsoft: windows server 2019
References3
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- packetstormsecurity.com/files/161768/Microsoft-Windows-Kernel-N… ExploitThird Party Advisory
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26863
Metrics
- CVSS 3.1
-
7.0
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 12% percentile: 96 · as of 11 November 2026
- CWE
- CWE-269
Could this be exploited in your environment?
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