CVE-2021-36948

HIGH KEV

Windows Update Medic Service - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-36948 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021.

Description

Windows Update Medic Service Elevation of Privilege Vulnerability

Scores

CVSS v3 7.8
EPSS 0.0095
EPSS Percentile 76.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact total

Details

CISA KEV 2021-11-03
VulnCheck KEV 2021-08-10
InTheWild.io 2021-08-10
ENISA EUVD EUVD-2021-23524
Status published
Products (8)
microsoft/windows_10_1809 < 10.0.17763.2114
microsoft/windows_10_1909 < 10.0.18363.1734
microsoft/windows_10_2004 < 10.0.19041.1165
microsoft/windows_10_20h2 < 10.0.19042.1165
microsoft/windows_10_21h1 < 10.0.19043.1165
microsoft/windows_server_2004 < 10.0.19041.1165
microsoft/windows_server_2019 < 10.0.17763.2114
microsoft/windows_server_20h2 < 10.0.19042.1165
Published Aug 12, 2021
KEV Added Nov 03, 2021
Tracked Since Feb 18, 2026