CVE-2025-26646

HIGHCVSS 8/10EPSS 1.10%

Last modified

CVE-2025-26646 is a high-severity vulnerability rated 8/10 on the CVSS scale. 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.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8/10

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

EPSS Probability
1.10%

61.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftBuild Tools< 17.13.7
MicrosoftVisual Studio 2022>= 17.8.0, < 17.8.21
MicrosoftVisual Studio 2022>= 17.10.0, < 17.10.15
MicrosoftVisual Studio 2022>= 17.12.0, < 17.12.8
MicrosoftVisual Studio 2022>= 17.13.0, < 17.13.7
Microsoft.Net>= 9.0.0, < 9.0.5
Microsoft.Net>= 8.0.0, < 8.0.16

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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.
How severe is CVE-2025-26646?
CVE-2025-26646 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.
How do I fix CVE-2025-26646?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-26646?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST