High severity · published May 13, 2025
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
8.0
CVSS
1.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
.net · Microsoft
9.0.0 before 9.0.5; 8.0.0 before 8.0.16 · source: NVD
BT
Build Tools · Microsoft
before 17.13.7 · source: NVD
VS
Visual Studio 2022 · Microsoft
17.8.0 before 17.8.21; 17.10.0 before 17.10.15; 17.12.0 before 17.12.8; 17.13.0 before 17.13.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-26646
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-26646
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26646
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