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 ...

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 ...
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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 ...