CVE-2022-21971
Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation)
Published 9 Feb 2022 · updated 17 Jun 2026 · Analyzed
7.8 High · CVSS 3.1, microsoft.com
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 18 Aug 2022, with a remediation deadline of 8 Sept 2022 for US federal agencies.
Required action: Apply updates per vendor instructions.
Description
Windows Runtime Remote Code Execution Vulnerability
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971 · Patch, Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21971 · US Government Resource