CVE-2026-44822

Summary

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

Affected Software

VendorProductVersion RangeStatus
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1 < https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Excel 201616.0.0.0 < 16.0.5556.1001affected
MicrosoftMicrosoft Office 201919.0.0 < https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office 365 for Mac1.0.0 < 16.110.26061317affected
MicrosoftMicrosoft Office LTSC 202116.0.1 < https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office LTSC 202416.0.0 < https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1 < 16.110.26061317affected
MicrosoftMicrosoft Office LTSC for Mac 202416.0.0 < 16.110.26061317affected
MicrosoftOffice Online Server16.0.0.0 < 16.0.10417.20137affected

Weaknesses

  • CWE-125: CWE-125: Out-of-bounds Read

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References