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CVE-2026-21514CISA KEV

Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.

Product
Office
Added to KEV
10 Feb 2026
Federal remediation due
3 Mar 2026
Known ransomware use
Not reported
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