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 ...

Microsoft Issues Emergency Patch for Active Office Zero-Day

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

Fixes released for a serious Microsoft Office zero-day flaw

Microsoft is warning admins of an Office security bypass zero day vulnerability that can be triggered simply by a user ...
SecurityWeek

Microsoft Patches Office Zero-Day Likely Exploited in Targeted Attacks

Microsoft released patches for CVE-2026-21509, a new Office zero-day vulnerability that can be exploited to bypass security features.

High-risk Office security flaw: Microsoft issues emergency updates

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

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

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

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