Code Execution Vulnerability in Microsoft Office Visio
CVE-2025-59226

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2021
Microsoft Office Ltsc 2024
Vendor
CVE Published:
14 October 2025

What is CVE-2025-59226?

A use after free vulnerability in Microsoft Office Visio permits an attacker to execute arbitrary code on the local machine. By exploiting this vulnerability, unauthorized users may gain the ability to manipulate the system, potentially leading to unauthorized access and damage. It is crucial for users to update their software and implement security measures to mitigate the risk associated with this type of vulnerability.

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Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office LTSC 2021 x64-based Systems 16.0.1

Microsoft Office LTSC 2024 32-bit Systems 16.0.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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