Vulnerability DatabaseCVE-2025-26646
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CVE-2025-26646
Published:May 13, 2025
Updated:May 13, 2026
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 Packages
Microsoft.Build.Tasks.Core (NUGET):
Affected version(s) >=15.8.166 <15.9.30
Fix Suggestion:
Update to version 15.9.30
microsoft.build.tasks.core (NUGET):
Affected version(s) >=16.0.461 <16.11.6
Fix Suggestion:
Update to version 16.11.6
microsoft.build.tasks.core (NUGET):
Affected version(s) >=17.12.6 <17.13.26
Fix Suggestion:
Update to version 17.13.26
Microsoft.Build.Tasks.Core (NUGET):
Affected version(s) >=17.9.5 <17.10.29
Fix Suggestion:
Update to version 17.10.29
Microsoft.Build.Tasks.Core (NUGET):
Affected version(s) >=17.0.0 <17.8.29
Fix Suggestion:
Update to version 17.8.29
Microsoft.Build.Tasks.Core (NUGET):
Affected version(s) >=16.0.461 <16.11.6
Fix Suggestion:
Update to version 16.11.6
microsoft.build.tasks.core (NUGET):
Affected version(s) >=17.0.0 <17.8.29
Fix Suggestion:
Update to version 17.8.29
microsoft.build.tasks.core (NUGET):
Affected version(s) >=15.8.166 <15.9.30
Fix Suggestion:
Update to version 15.9.30
microsoft.build.tasks.core (NUGET):
Affected version(s) >=17.9.5 <17.10.29
Fix Suggestion:
Update to version 17.10.29
microsoft.build.tasks.core (NUGET):
Affected version(s) >=17.11.4 <17.12.36
Fix Suggestion:
Update to version 17.12.36
microsoft.build.tasks.core (NUGET):
Affected version(s) >=17.13.9 <17.14.8
Fix Suggestion:
Update to version 17.14.8
Microsoft.Build.Tasks.Core (NUGET):
Affected version(s) =17.11.4 <17.12.36
Fix Suggestion:
Update to version 17.12.36
Microsoft.Build.Tasks.Core (NUGET):
Affected version(s) =17.13.9 <17.14.8
Fix Suggestion:
Update to version 17.14.8
Microsoft.Build.Tasks.Core (NUGET):
Affected version(s) =17.12.6 <17.13.26
Fix Suggestion:
Update to version 17.13.26
Related Resources (6)
https://github.com/dotnet/msbuild/security/advisories/GHSA-h4j7-5rxr-p4wc
https://github.com/dotnet/announcements/issues/356
https://github.com/dotnet/msbuild/issues/11846
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26646
https://github.com/dotnet/msbuild
https://nvd.nist.gov/vuln/detail/CVE-2025-26646
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CVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Exploit Maturity
UNPROVEN
Weakness Type (CWE)
External Control of File Name or Path
CWE-73
EPSS
Base Score:
0.17