CVE-2025-26646

Published: May 13, 2025Modified: Jun 17, 2026

8.0

Vector

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

Exploitability: 2.1 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

External control of file name or path in .NET, Visual Studio, and Build Tools for Visual Studio allows an authorized attacker to perform spoofing over a network.

Affected (7)

Products: Microsoft: Build Tools, Visual Studio 2022, .net

3 products

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Microsoft Build Tools	version < 17.13.7
Microsoft Visual Studio 2022	17.10.0 ≤ version < 17.10.15
Microsoft Visual Studio 2022	17.12.0 ≤ version < 17.12.8
Microsoft Visual Studio 2022	17.13.0 ≤ version < 17.13.7
Microsoft Visual Studio 2022	17.8.0 ≤ version < 17.8.21

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Microsoft .net	9.0.0 ≤ version < 9.0.5

Configuration C

1 vulnerable · 3 platform

Vulnerable Software	Affected Versions
Microsoft .net	8.0.0 ≤ version < 8.0.16

Running on/with	Platform Versions
Apple Macos	All versions
Linux Linux Kernel	All versions
Microsoft Windows	All versions

Related CWEs

CWE-73

External Control of File Name or Path

The product allows user input to control or influence paths or file names that are used in filesystem operations.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26646

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.