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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-55133

Microsoft OneNote Remote Code Execution Vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
microsoft

Description

Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally.

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 < 16.111.26071215affected

Microsoft Microsoft Office LTSC for Mac 2021

  • 16.0.1 to < 16.111.26071215affected

Microsoft Microsoft Office LTSC for Mac 2024

  • 16.0.0 to < 16.111.26071215affected

References