27 January 2026.
The Hacker News report that Microsoft has "issued out-of-band security patches for a high-severity Microsoft Office zero-day vulnerability exploited in attacks."
Microsoft Office and 365 users can read the advice issued by Microsoft at the link below.
A Zero-Day patch is issued by a developer when they discover a flaw which has been exploited without their knowledge.
Source: The Hacker News.
Read more: Microsoft Office Zero-Day Emergency Patch issued for active exploitation
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