CVE-2026-63521

Summary

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information 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 LTSC 202116.0.1 < https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Office LTSC 202416.0.0 < https://aka.ms/OfficeSecurityReleasesaffected
MicrosoftMicrosoft Word 201616.0.1 < 16.0.5565.1000affected

Weaknesses

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

References