Microsoft Win32k Privilege Escalation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-04-25

[ Description ]Official description

Win32k Elevation of Privilege Vulnerability

CISA: Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 16 May 2022): Apply updates per vendor instructions.

• Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40450PatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource