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CVE-2022-21882

HighCVSS 7.8/10Known exploited (CISA KEV)Last modified Aug 15, 2026

Description

Win32k Elevation of Privilege Vulnerability

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.2452
Microsoft	Windows 10 Version 1809	>= 10.0.0, < 10.0.17763.2452
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.2452
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.2452
Microsoft	Windows 10 Version 1909	>= 10.0.0, < 10.0.18363.2037
Microsoft	Windows 10 Version 21H1	>= 10.0.0, < 10.0.19043.1466
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.469
Microsoft	Windows 10 Version 20H2	>= 10.0.0, < 10.0.19042.1466
Microsoft	Windows Server version 20H2	>= 10.0.0, < 10.0.19042.1466
Microsoft	Windows 11 version 21H2	>= 10.0.0, < 10.0.22000.434
Microsoft	Windows 10 Version 21H2	>= 10.0.19043.0, < 10.0.19044.1466

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882Patch, Vendor Advisory
http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21882Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21882US Government Resource

Timeline

Published: Jan 11, 2022
Last modified: Aug 15, 2026
Added to CISA KEV: Feb 4, 2022
NVD status: Analyzed

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