VulnerabilitiesJan 27, 2026•4 min read
Microsoft Office Zero-Day Under Active Attack Gets Emergency Patch
CVE-2026-21509 bypasses OLE security protections across Office 2016-2024. CISA adds it to KEV catalog with February 16 deadline.
Marcus Chen#Cve 2026 21509
1 article tagged with "Cve 2026 21509"
Vulnerabilities