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

Microsoft released an emergency Office patch to fix an actively exploited zero-day flaw that lets attackers bypass security ...

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

Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026-21509, a security ...

A "high risk" security vulnerability was found in numerous versions of Microsoft Office. You should install the provided emergency updates ASAP.