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CVE-2025-21402

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Microsoft Office OneNote Remote Code Execution Vulnerability

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Microsoft Office LTSC for Mac 2021	>= 16.0.1, < 16.93.25011212
Microsoft	Microsoft Office LTSC for Mac 2024	>= 16.0.0, < 16.93.25011212
Microsoft	Microsoft OneNote	>= 1.0.0, < 16.92.24120731

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21402Patch, Vendor Advisory

Timeline

Published: Jan 14, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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CVE-2025-21402: High severity, CVSS 7.8 | Vulnix