CVE-2025-21402

HIGH

Microsoft Office OneNote - Remote Code Execution

Title source: llm
STIX 2.1

Description

Microsoft Office OneNote Remote Code Execution Vulnerability

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21402

Scores

CVSS v3 7.8
EPSS 0.0052
EPSS Percentile 66.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-641
Status published
Products (4)
microsoft/office 2021
microsoft/office 2024
microsoft/office_long_term_servicing_channel 2021
microsoft/onenote
Published Jan 14, 2025
Tracked Since Feb 18, 2026