[ CVE-2021-36948 · Published 12 Aug 2021 ]

Microsoft Windows Update Medic Service Privilege Escalation Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 23%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
  • EPSS: 23% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

Windows Update Medic Service Elevation of Privilege Vulnerability

CISA: Microsoft Windows Update Medic Service contains an unspecified vulnerability that allows for privilege escalation.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 17 Nov 2021): Apply updates per vendor instructions.