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CVE-2026-64918

Microsoft Office Spoofing Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 16.0.5569.1003
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Microsoft Microsoft 365 Apps for Enterprise

    From 16.0.1 · fixed in https://aka.ms/OfficeSecurityReleases

  • Microsoft Microsoft Office 2016

    From 16.0.0 · fixed in 16.0.5569.1003

  • Microsoft Microsoft Office 2019

    From 19.0.0 · fixed in https://aka.ms/OfficeSecurityReleases

  • Microsoft Microsoft Office LTSC 2021

    From 16.0.1 · fixed in https://aka.ms/OfficeSecurityReleases

  • Microsoft Microsoft Office LTSC 2024

    From 16.0.0 · fixed in https://aka.ms/OfficeSecurityReleases

References 1

msrc.microsoft.com