CVE-2026-64904

Summary

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

Affected Software

VendorProductVersion RangeStatus
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1 < https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office 201919.0.0 < https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office 365 for Mac1.0.0 < 16.112.26081010affected
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 < 16.112.26081010affected
MicrosoftMicrosoft Office LTSC for Mac 202416.0.0 < 16.112.26081010affected

Weaknesses

  • CWE-843: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References