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Microsoft Word Vulnerability CVE-2026-21514 Exploited

Microsoft Word Vulnerability CVE-2026-21514 Exploited

First seen 11 Feb 2026, 19:30 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 16:10 UTC

A newly discovered vulnerability in Microsoft Word, tracked as CVE-2026-21514, allows attackers to bypass key security features using specially crafted documents. This flaw was published on February 10, 2026, and has been added to the CISA Known Exploited Vulnerabilities list due to active exploitation. Users of Microsoft Word are advised to remain vigilant and apply necessary security measures.

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Timeline

2026-02-10
CVE-2026-21514 published
2026-02-10
CVE-2026-21514 added to CISA KEV (active exploitation)

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