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HIGH · 8.0

CVE-2025-26646

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.

Vulnerability 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.

CVSS Score

8.0

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftBuild Tools< 17.13.7
MicrosoftVisual Studio 2022>= 17.8.0, < 17.8.21
Microsoft.Net>= 9.0.0, < 9.0.5
AppleMacos-
LinuxLinux Kernel-
MicrosoftWindows-

Related Weaknesses (CWE)

CWE-73

References

FAQ

What is CVE-2025-26646?

CVE-2025-26646 is a vulnerability with a CVSS score of 8.0 (HIGH). 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.

How severe is CVE-2025-26646?

CVE-2025-26646 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-26646?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Build Tools, Microsoft Visual Studio 2022, Microsoft .Net, Apple Macos, Linux Linux Kernel.