[ CVE-2019-0808 · Published 9 Apr 2019 ]

Microsoft Win32k Privilege Escalation Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 53%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
  • EPSS: 53% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0797.

CISA: Microsoft Win32k contains a privilege escalation vulnerability due to the component failing to properly handle objects in memory. Successful exploitation allows an attacker to run code in kernel mode.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.