Microsoft Office Zero-Day (CVE-2026-21509) - Emergency Patch Issued for Active Exploitation
- Posted on January 27, 2026
- By The Hacker News
- 4 Views
Microsoft Office Zero-Day (CVE-2026-21509) - Emergency Patch Issued for Active Exploitation
Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026-21509, a security feature bypass flaw.
