CVE-2025-21402

Microsoft Office OneNote Remote Code Execution Vulnerability

Score

CVSS 3.1 7.8 High

Status

Analyzed - secure@microsoft.com

Published

2025-01-14

Last modified

2026-06-09

Weaknesses

CWE-641

Affected products

• Office (Microsoft)
• Office Long Term Servicing Channel (Microsoft)
• Office Macos 2021 (Microsoft)
• Office Macos 2024 (Microsoft)
• Onenote (Microsoft)
• Onenote For Mac (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21402