[ CVE-2023-29336 · Published 9 May 2023 ]

Microsoft Win32K Privilege Escalation Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 41%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-05-09
  • EPSS: 41% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

Win32k Elevation of Privilege Vulnerability

CISA: Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation up to SYSTEM privileges.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 30 May 2023): Apply updates per vendor instructions.