CVE-2025-21356

HIGH

Microsoft Office Visio - Remote Code Execution via Type Confusion

Title source: llm
STIX 2.1

Description

Microsoft Office Visio Remote Code Execution Vulnerability

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21356

Scores

CVSS v3 7.8
EPSS 0.0071
EPSS Percentile 48.4%
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-843 CWE-122
Status published
Products (8)
microsoft/365_apps (2 CPE variants)
Microsoft/Microsoft 365 Apps for Enterprise 16.0.1 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office 2019 19.0.0 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office LTSC 2021 16.0.1 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office LTSC 2024 16.0.0 - https://aka.ms/OfficeSecurityReleases
microsoft/office 2019 (2 CPE variants)
microsoft/office_long_term_servicing_channel 2021 (2 CPE variants)
microsoft/office_long_term_servicing_channel 2024 (2 CPE variants)
Published Jan 14, 2025
Tracked Since Feb 18, 2026