CVE-2022-21882
HIGH severity · CVSS 7 · Out-of-bounds write · actively exploited (CISA KEV)
7CVSS HIGH ● exploited
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2022-02-04. US federal agencies must patch by 2022-02-18.
Summary
Win32k Elevation of Privilege Vulnerability
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)89%
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882 ↗
Additional information
- NVD record
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882Patch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21882Patch
- http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.htmlAdvisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21882