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CVE-2026-83951ImportantMonitor

Microsoft Office Word Information Disclosure Vulnerability

Severity Important  ·  Urgency Monitor

Why it matters: Important severity (CVSS 5.5)

Information Disclosure · Important · CVSS 5.5. Affects: Microsoft Word, Microsoft Office, Microsoft Office LTSC, Microsoft 365 Apps.

CVSS 5.5Security update published 2026-09-08Applies to Cloud + on-premisesKB5002923NVD

Affected: Microsoft Word, Microsoft Office, Microsoft Office LTSC, Microsoft 365 Apps

Related changes

Change history

2026-09-08 · First captured by tracker

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