Microsoft Windows Runtime Remote Code Execution Vulnerability

HIGH 7.8EXPLOITED (CISA KEV)CVE-2022-21971 · Published 09/02/2022 · updated 17/06/2026

Microsoft Windows Runtime Remote Code Execution Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 18/08/2022. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

Description

Windows Runtime Remote Code Execution Vulnerability

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2022-21971

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