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Post #8286
@thehackernews
The Hacker News
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π URGENT: Microsoft rushed out out-of-band fixes for an actively exploited Office zero-day. CVE-2026-21509 (CVSS 7.8) lets attackers bypass Office security using a malicious file that must be opened by the victim. π Details β https://thehackernews.com/2026/01/microsoft-issues-emergency-patch-for.html