CVE-2025-21402

HIGH
2025-01-14 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:03 vuln.today
Patch Released
Mar 28, 2026 - 18:03 nvd
Patch available
CVE Published
Jan 14, 2025 - 18:16 nvd
HIGH 7.8

Description

Microsoft Office OneNote Remote Code Execution Vulnerability

Analysis

Microsoft Office OneNote Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Technical Context

This vulnerability is classified under CWE-641. Affected products include: Microsoft Office, Microsoft Onenote.

Affected Products

Microsoft Office, Microsoft Onenote.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +0.5
CVSS: +39
POC: 0

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CVE-2025-21402 vulnerability details – vuln.today

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