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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-97768

Microsoft Office Excel Remote Code Execution Vulnerability

Description

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Microsoft 365 Apps for Enterprise

  • 16.0.1 to < https://aka.ms/OfficeSecurityReleasesaffected

Microsoft Microsoft Office 365 for Mac

  • 1.0.0 to < 16.114.26101123affected

Microsoft Microsoft Office LTSC 2021

  • 16.0.1 to < 16.0.14334.20974affected

Microsoft Microsoft Office LTSC 2024

  • 16.0.0 to < 16.0.17932.21056affected

Microsoft Microsoft Office LTSC for Mac 2021

  • 16.0.1 to < 16.114.26101123affected

Microsoft Microsoft Office LTSC for Mac 2024

  • 16.0.0 to < 16.114.26101123affected

Microsoft Office Online Server

  • 16.0.0.0 to < 16.0.10417.20228affected

References