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CVE-2021-36948: Microsoft Windows Update Medic Service Privilege Escalation Vulnerability
Microsoft Windows · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2021-11-17federal remediation due date
23.27%EPSS exploit probability (30 days) 97.7th percentile
7.8 HIGHCVSS 3.1
Unknownknown ransomware use
83days from NVD publication to KEV
What it is
Microsoft Windows Update Medic Service contains an unspecified vulnerability that allows for privilege escalation.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | — |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2021-08-12 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2021-36948.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.