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

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

Microsoft patches actively exploited Office zero-day vulnerability

Microsoft has released emergency security updates to patch a high-severity Office zero-day vulnerability exploited in attacks ...
PCMag on MSN

Emergency patch issued for Microsoft Office, 365 over hacking threat

Microsoft suggests the threat is being used in phishing attacks against vulnerable systems since successful exploitation requires local access to the PC.