CVE-2025-21356

HIGH

Microsoft 365 Apps - Type Confusion

Title source: rule

Microsoft Office Visio Remote Code Execution Vulnerability

CVSS v3 7.8

EPSS 0.0099

EPSS Percentile 77.0%

Attack Vector LOCAL

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

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-843 CWE-122

Status published

Products (4)

microsoft/365_apps (2 CPE variants)

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