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CVE-2026-80084

Microsoft Office Outlook Information Disclosure Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 16.0.20326.20138, 16.0.5569.1002, 16.0.10417.20207, 16.0.14334.20906, 16.0.17932.20976
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information 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 16.0.20326.20138

  • Microsoft Microsoft Office 2016

    From 16.0.0 · fixed in 16.0.5569.1002

  • Microsoft Microsoft Office 2019

    From 19.0.0 · fixed in 16.0.10417.20207

  • Microsoft Microsoft Office LTSC 2021

    From 16.0.1 · fixed in 16.0.14334.20906

  • Microsoft Microsoft Office LTSC 2024

    From 16.0.0 · fixed in 16.0.17932.20976

References 1

msrc.microsoft.com