CVE-2023-21823
Microsoft Office for Android, Microsoft Office for iOS, Microsoft Office for Universal
Published 14 Feb 2023 · updated 19 Aug 2026 · Analyzed
7.8 High · CVSS 3.1, microsoft.com
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 14 Feb 2023, with a remediation deadline of 7 Mar 2023 for US federal agencies.
Required action: Apply updates per vendor instructions.
Description
Windows Graphics Component Remote Code Execution Vulnerability
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21823 · Patch, Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21823 · US Government Resource