CVE-2022-21882

high-risk

Published 2022-01-11

Win32k Elevation of Privilege Vulnerability

Do I need to act?

90.1% chance of exploitation in next 30 days

EPSS score — higher than 10% of all CVEs

CISA KEV: actively exploited in the wild

On the Known Exploited Vulnerabilities catalog — federal agencies must patch

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.0/10 High

LOCAL / HIGH complexity

Windows 10 1809

Windows 10 1909

Windows 10 20H2

Windows 10 21H1

Windows 10 21H2

Windows 11 21H2

Windows Server 2019

Windows Server 2022

Windows Server 20H2

Microsoft

Patch https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882

Third Party Advisory http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusi...

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-2188...

US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-...

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high-risk

Severity 18/34 · Moderate

Exploitability 27/34 · High

Exposure 16/34 · Moderate