Use Microsoft Office? Hackers can infect your PC with a malicious document - patch it ASAP

Microsoft's latest zero-day patch blocks a viral Office document hack - how to protect your PC ASAP ...

Worrying Microsoft Office security flaw patched - update now or risk hackers accessing your files

Microsoft forced to issue an emergency patch to fix an Office zero-day being actively exploited.
Cybernews

New Microsoft Office zero-day under active attack, patch now

Microsoft rushed an emergency Patch Tuesday fix after a new Office zero-day began spreading in active attacks. CISA warns ...
The Hacker News

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 ...
WinBuzzer

Microsoft Patches Office Zero-Day Under Active Exploitation

Microsoft has released an emergency patch for CVE-2026-21509, a zero-day Office vulnerability under active exploitation that ...