CVE-2021-36948 — Microsoft Windows Update Medic Service Privilege Escalation Vulnerability

CVE-2021-36948

HIGH · CVSS 7.8 ⚠ KEV — EXPLOITED

EPSS exploitation probability: 97%

⚠ Listed in the CISA Known Exploited Vulnerabilities catalog — actively exploited.

Published 2021-11-03 · Last modified 2026-08-10T16:18:02.330

Summary

Windows Update Medic Service Elevation of Privilege Vulnerability

Microsoft — Windows

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