CVE-2025-21402 HIGH

CVE-2025-21402: Microsoft Office OneNote Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft Office LTSC for Mac 2021
Weakness CWE-641
Published January 14, 2025
Last update June 9, 2026
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Microsoft Office OneNote Remote Code Execution Vulnerability

Key dates

02Disclosure timeline

January 14, 2025 CVE published
June 9, 2026 Record updated