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 ...

Russian hackers are targeting a new Office 365 zero-day, so patch now

Ukraine's defenders have spotted a new hacking attack ...

Russian hackers exploit recently patched Microsoft Office bug in attacks

Ukraine's Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently patched vulnerability in multiple versions of Microsoft Office.
Infosecurity Magazine

Fancy Bear Exploits Microsoft Office Flaw in Ukraine, EU Cyber-Attacks

Russia-linked hacking group Fancy Bear is exploiting a brand-new vulnerability in Microsoft Office, CERT-UA says ...
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 ...

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 ...

Microsoft Office Zero-Day Exploited Days After Emergency Patch, Update ASAP

A hole in Microsoft Office is being exploited by bad actors, including Russian hackers targeting Ukraine's government.
Bangkok Post

Microsoft issues emergency Office update to fix zero-day flaw

Microsoft has released an out-of-band emergency security update to address a zero-day vulnerability in Microsoft Office that ...
Infosecurity Magazine

Microsoft Releases Patch for Office Zero Day Amid Evidence of Exploitation

The tech giant released a patch in a January 26 advisory for the flaw which has been summarized as an over-reliance on ...
Windows Report

Microsoft Confirms Active Office Zero-Day Exploit, Deploys Emergency Fix

Microsoft releases an urgent out-of-band update for a critical Office zero-day flaw already exploited in real-world attacks.
Security Boulevard

Microsoft’s January Security Update of High-Risk Vulnerability Notice for Multiple Products

Overview On January 14, NSFOCUS CERT detected that Microsoft released the January Security Update patch, which fixed 112 security issues involving widely used products such as Windows, Microsoft ...
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 ...