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CVE-2026-64918ImportantMonitor

Microsoft Office Spoofing Vulnerability

Severity Important  ·  Urgency Monitor

Why it matters: Important severity (CVSS 6.5)

Spoofing · Important · CVSS 6.5. Affects: Microsoft Office, Microsoft 365 Apps, Microsoft Office LTSC.

CVSS 6.5Security update published 2026-09-08Applies to Cloud + on-premisesNVD

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

Related changes

Change history

2026-09-08 · First captured by tracker

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