CVE-2026-21509: Microsoft Office Security Feature Bypass Vulnerability
Microsoft Office contains a security feature bypass vulnerability in which reliance on untrusted inputs in a security decision in Microsoft Office could allow an unauthorized attacker to bypass a security feature locally. Some of the impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.
Read the original at CISA KEV Catalog ↗
- Topics
- Vulnerabilities & Patching
- Mentions
- CVE-2026-21509Microsoft
- Related
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