HIGHCVSS 7.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2021-36948

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

Properties

Euvd product
Windows 10 Version 20H2, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 1909, Windows 10 Version 21H1, Windows 10 Version 1809, Windows 10 Version 2004, Windows Server version 20H2, Windows Server version 2004
Vulnerability name
Microsoft Windows Update Medic Service Privilege Escalation Vulnerability
First seen
2026-08-10T15:10:09+00:00
Cvss score
7.8
Epss score
0.2327
Last seen
2026-10-19T12:00:27+00:00
Due date
2021-11-17
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Euvd base score version
3.1
Score
7.8
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (10)

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CVE-2021-36948 (CVSS 7.8) — Ninja Signal Threat Intelligence | Ninja Signal