CVE-2021-36948

HighCVSS 7.8/10Known exploited (CISA KEV)Last modified Aug 10, 2026

Description

Windows Update Medic Service Elevation of Privilege Vulnerability

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.2114
MicrosoftWindows 10 Version 1809>= 10.0.0, < 10.0.17763.2114
MicrosoftWindows 10 Version 1909>= 10.0.0, < 10.0.18363.1734
MicrosoftWindows 10 Version 2004>= 10.0.0, < 10.0.19041.1165
MicrosoftWindows 10 Version 20H2>= 10.0.0, < 10.0.19042.1165
MicrosoftWindows 10 Version 21H1>= 10.0.0, < 10.0.19043.1165
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.2114
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.2114
MicrosoftWindows Server version 2004>= 10.0.0, < 10.0.19041.1165
MicrosoftWindows Server version 20H2>= 10.0.0, < 10.0.19042.1165

References

Timeline

Published
Aug 12, 2021
Last modified
Aug 10, 2026
Added to CISA KEV
Nov 3, 2021
NVD status
Analyzed

Related CVEs from 2021

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CVE-2021-36948: High severity, CVSS 7.8 | Vulnix