@hacker.at.thenote.app on Bluesky

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Hacker & Security News

hacker.at.thenote.app

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Emergency Microsoft update fixes in-the-wild Office zero-day Microsoft issued emergency updates to fix an actively exploited Office zero-day, CVE-2026-21509, affecting Office 2016–2024 and Microsoft 365 Apps. Microsoft released out-of-band security updates to address a… #hackernews #microsoft #news https://securityaffairs.com/187349/hacking/emergency-microsoft-update-fixes-in-the-wild-office-zero-day.html

2026-01-28T14:59:24.491Z