Vulnerability · Published May 13, 2025 · Assigned by microsoft
CVE-2025-26646.NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability
High 8.0
In plain English
A high-severity security flaw in Build Tools for Visual Studio 2022 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)1.3%top 30.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | aspnetcore-runtime-8.0 | 8.0.16-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | aspnetcore-runtime-8.0 | 8.0.16-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | aspnetcore-runtime-8.0 | 8.0.16-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | aspnetcore-runtime-9.0 | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | aspnetcore-runtime-9.0 | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | aspnetcore-runtime-9.0 | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | aspnetcore-runtime-dbg-8.0 | 8.0.16-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | aspnetcore-runtime-dbg-8.0 | 8.0.16-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | aspnetcore-runtime-dbg-8.0 | 8.0.16-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | aspnetcore-runtime-dbg-9.0 | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | aspnetcore-runtime-dbg-9.0 | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | aspnetcore-runtime-dbg-9.0 | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | aspnetcore-targeting-pack-8.0 | 8.0.16-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | aspnetcore-targeting-pack-8.0 | 8.0.16-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | aspnetcore-targeting-pack-8.0 | 8.0.16-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | aspnetcore-targeting-pack-9.0 | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | aspnetcore-targeting-pack-9.0 | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | aspnetcore-targeting-pack-9.0 | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:8 | dotnet | 9.0.106-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:10 | dotnet-apphost-pack-8.0 | 8.0.16-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-apphost-pack-8.0 | 8.0.16-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-apphost-pack-8.0 | 8.0.16-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-apphost-pack-9.0 | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-apphost-pack-9.0 | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-apphost-pack-9.0 | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-host | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-host | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-host | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-hostfxr-8.0 | 8.0.16-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-hostfxr-8.0 | 8.0.16-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-hostfxr-8.0 | 8.0.16-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-hostfxr-9.0 | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-hostfxr-9.0 | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-hostfxr-9.0 | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-runtime-8.0 | 8.0.16-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-runtime-8.0 | 8.0.16-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-runtime-8.0 | 8.0.16-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-runtime-9.0 | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-runtime-9.0 | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-runtime-9.0 | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-runtime-dbg-8.0 | 8.0.16-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-runtime-dbg-8.0 | 8.0.16-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-runtime-dbg-8.0 | 8.0.16-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-runtime-dbg-9.0 | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-runtime-dbg-9.0 | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-runtime-dbg-9.0 | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-sdk-8.0 | 8.0.116-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-sdk-8.0 | 8.0.116-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-sdk-8.0 | 8.0.116-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-sdk-8.0-source-built-artifacts | 8.0.116-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-sdk-8.0-source-built-artifacts | 8.0.116-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-sdk-8.0-source-built-artifacts | 8.0.116-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-sdk-9.0 | 9.0.106-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-sdk-9.0 | 9.0.106-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-sdk-9.0 | 9.0.106-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-sdk-9.0-source-built-artifacts | 9.0.106-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-sdk-9.0-source-built-artifacts | 9.0.106-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-sdk-9.0-source-built-artifacts | 9.0.106-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-sdk-aot-9.0 | 9.0.106-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-sdk-aot-9.0 | 9.0.106-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-sdk-aot-9.0 | 9.0.106-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-sdk-dbg-8.0 | 8.0.116-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-sdk-dbg-8.0 | 8.0.116-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-sdk-dbg-8.0 | 8.0.116-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-sdk-dbg-9.0 | 9.0.106-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-sdk-dbg-9.0 | 9.0.106-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-sdk-dbg-9.0 | 9.0.106-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-targeting-pack-8.0 | 8.0.16-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-targeting-pack-8.0 | 8.0.16-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-targeting-pack-8.0 | 8.0.16-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-targeting-pack-9.0 | 9.0.5-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-targeting-pack-9.0 | 9.0.5-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-targeting-pack-9.0 | 9.0.5-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | dotnet-templates-8.0 | 8.0.116-1.el10_0 | ALSA-2025:7599 |
| AlmaLinux:8 | dotnet-templates-8.0 | 8.0.116-1.el8_10 | ALSA-2025:7589 |
| AlmaLinux:9 | dotnet-templates-8.0 | 8.0.116-1.el9_6 | ALSA-2025:7598 |
| AlmaLinux:10 | dotnet-templates-9.0 | 9.0.106-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | dotnet-templates-9.0 | 9.0.106-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | dotnet-templates-9.0 | 9.0.106-1.el9_6 | ALSA-2025:7600 |
| AlmaLinux:10 | netstandard-targeting-pack-2.1 | 9.0.106-1.el10_0 | ALSA-2025:7601 |
| AlmaLinux:8 | netstandard-targeting-pack-2.1 | 9.0.106-1.el8_10 | ALSA-2025:7571 |
| AlmaLinux:9 | netstandard-targeting-pack-2.1 | 9.0.106-1.el9_6 | ALSA-2025:7600 |
| Alpine:v3.20 | dotnet8-runtime | 8.0.16-r0 | ALPINE-CVE-2025-26646 |
| Alpine:v3.21 | dotnet8-runtime | 8.0.16-r0 | ALPINE-CVE-2025-26646 |
| Alpine:v3.22 | dotnet8-runtime | 8.0.16-r0 | ALPINE-CVE-2025-26646 |
| Alpine:v3.23 | dotnet8-runtime | 8.0.16-r0 | ALPINE-CVE-2025-26646 |
| Alpine:v3.24 | dotnet8-runtime | 8.0.16-r0 | ALPINE-CVE-2025-26646 |
| Alpine:v3.21 | dotnet9-runtime | 9.0.5-r0 | ALPINE-CVE-2025-26646 |
| Alpine:v3.22 | dotnet9-runtime | 9.0.5-r0 | ALPINE-CVE-2025-26646 |
| Alpine:v3.23 | dotnet9-runtime | 9.0.5-r0 | ALPINE-CVE-2025-26646 |
| Alpine:v3.24 | dotnet9-runtime | 9.0.5-r0 | ALPINE-CVE-2025-26646 |
| NuGet | microsoft.build.tasks.core | 17.13.26 | GHSA-h4j7-5rxr-p4wc |
| NuGet | microsoft.build.tasks.core | 15.9.30 | GHSA-h4j7-5rxr-p4wc |
| NuGet | microsoft.build.tasks.core | 16.11.6 | GHSA-h4j7-5rxr-p4wc |
| NuGet | microsoft.build.tasks.core | 17.8.29 | GHSA-h4j7-5rxr-p4wc |
| NuGet | microsoft.build.tasks.core | 17.10.29 | GHSA-h4j7-5rxr-p4wc |
| NuGet | microsoft.build.tasks.core | 17.12.36 | GHSA-h4j7-5rxr-p4wc |
| NuGet | microsoft.build.tasks.core | 17.14.8 | GHSA-h4j7-5rxr-p4wc |
| Rocky Linux:10 | dotnet8.0 | 0:8.0.116-1.el10_0 | RLSA-2025:7599 |
| Rocky Linux:8 | dotnet8.0 | 0:8.0.116-1.el8_10 | RLSA-2025:7589 |
| Rocky Linux:9 | dotnet8.0 | 0:8.0.116-1.el9_6 | RLSA-2025:7598 |
| Rocky Linux:10 | dotnet9.0 | 0:9.0.106-1.el10_0 | RLSA-2025:7601 |
| Rocky Linux:8 | dotnet9.0 | 0:9.0.106-1.el8_10 | RLSA-2025:7571 |
| Ubuntu:22.04:LTS | dotnet6 | no fix listed | UBUNTU-CVE-2025-26646 |
| Ubuntu:22.04:LTS | dotnet7 | no fix listed | UBUNTU-CVE-2025-26646 |
| Ubuntu:22.04:LTS | dotnet8 | 8.0.116-8.0.16-0ubuntu1~22.04.1 | USN-7509-1 |
| Ubuntu:22.04:LTS | dotnet8 | 8.0.116-8.0.16-0ubuntu1~22.04.1 | UBUNTU-CVE-2025-26646 |
| Ubuntu:24.04:LTS | dotnet8 | 8.0.116-8.0.16-0ubuntu1~24.04.1 | USN-7509-1 |
| Ubuntu:24.04:LTS | dotnet8 | 8.0.116-8.0.16-0ubuntu1~24.04.1 | UBUNTU-CVE-2025-26646 |
| Ubuntu:25.10 | dotnet8 | 8.0.116-8.0.16-0ubuntu1 | UBUNTU-CVE-2025-26646 |
| Ubuntu:25.10 | dotnet9 | 9.0.106-9.0.5-0ubuntu1 | UBUNTU-CVE-2025-26646 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .NET 8.0 | 8.0.0 – before 8.0.16 |
| Microsoft | .NET 9.0 | 9.0.0 – before 9.0.5 |
| Microsoft | Build Tools for Visual Studio 2022 | 17.0 – before Fixed Version 17.13.7 |
| Microsoft | Microsoft Visual Studio 2022 version 17.10 | 17.10.0 – before 17.10.15 |
| Microsoft | Microsoft Visual Studio 2022 version 17.12 | 17.12.0 – before 17.12.8 |
| Microsoft | Microsoft Visual Studio 2022 version 17.13 | 17.13.0 – before 17.13.7 |
| Microsoft | Microsoft Visual Studio 2022 version 17.8 | 17.8.0 – before 17.8.21 |
Weakness: CWE-73 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- .NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability vendor-advisory, patch