CVE-2022-21971

Windows Runtime Remote Code Execution Vulnerability

CVE-2022-21971 is fixed in 21 products on 1 platform, first by KB5010351, released February 8, 2022. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on August 18, 2022. Patch Radar priority: Patch now.

Patch nowCISA KEV

CVSS

7.8

Important

Exploitation

Exploited

Listed by CISA

CISA KEV

Aug 18, 2022

Federal due date Sep 8, 2022

EPSS

0.5393

99th percentile

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 10 Version 1809 for 32-bit Systems	17763.2565	KB5010351	Feb 8, 2022
Windows 10 Version 1809 for ARM64-based Systems	17763.2565	KB5010351	Feb 8, 2022
Windows 10 Version 1809 for x64-based Systems	17763.2565	KB5010351	Feb 8, 2022
Windows 10 Version 1909 for 32-bit Systems	18363.2094	KB5010345	Feb 8, 2022
Windows 10 Version 1909 for ARM64-based Systems	18363.2094	KB5010345	Feb 8, 2022
Windows 10 Version 1909 for x64-based Systems	18363.2094	KB5010345	Feb 8, 2022
Windows 10 Version 20H2 for 32-bit Systems		KB5010342	Feb 8, 2022
Windows 10 Version 20H2 for ARM64-based Systems		KB5010342	Feb 8, 2022
Windows 10 Version 21H1 for 32-bit Systems		KB5010342	Feb 8, 2022
Windows 10 Version 21H1 for ARM64-based Systems		KB5010342	Feb 8, 2022
Windows 10 Version 21H1 for x64-based Systems		KB5010342	Feb 8, 2022
Windows 10 Version 21H2 for 32-bit Systems		KB5010342	Feb 8, 2022
Windows 10 Version 21H2 for ARM64-based Systems		KB5010342	Feb 8, 2022
Windows 10 Version 21H2 for x64-based Systems		KB5010342	Feb 8, 2022
Windows 11 version 21H2 for ARM64-based Systems	22000.493	KB5010386	Feb 8, 2022
Windows 11 version 21H2 for x64-based Systems	22000.493	KB5010386	Feb 8, 2022
Windows Server 2019	17763.2565	KB5010351	Feb 8, 2022
Windows Server 2019 (Server Core installation)	17763.2565	KB5010351	Feb 8, 2022
Windows Server 2022		KB5010456	Feb 8, 2022
Windows Server 2022	20348.524	KB5010354	Feb 8, 2022
Windows Server 2022 (Server Core installation)		KB5010456	Feb 8, 2022
Windows Server 2022 (Server Core installation)	20348.524	KB5010354	Feb 8, 2022
Windows Server, version 20H2 (Server Core Installation)		KB5010342	Feb 8, 2022

Details

Published
February 8, 2022
CISA required action
Apply updates per vendor instructions.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971

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