Microsoft Office vulnerability (CVE-2026-21509) in active exploitation
On January 26, 2026, Microsoft released an out-of-band update to address a high-severity (CVSS score of 7.8) vulnerability affecting multiple...
highseverity
Microsoft Office Zero-Day (CVE-2026-21509) – Emergency Patch Issued for Active Exploitation
Ravie LakshmananJan 27, 2026Zero-Day / Vulnerability Microsoft on Monday issued out-of-band security patches for a high-severity Microsoft Office zero-day vulnerability...
