CVE-2025-26646— .NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability
Quick assessment
Affected
Microsoft .NET 8.0
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Visual Studio和Microsoft .NET都是美国微软（Microsoft）公司的产品。Microsoft Visual Studio是一款开发工具套件系列产品，也是一个基本完整的开发工具集，它包括了整个软件生命周期中所需要的大部分工具。Microsoft .NET是一个致力于敏捷软件开发、快速应用开发、平台无关性和网络透明化的软件框架。 Microsoft Visual Studio和Microsoft .NET存在安全漏洞。攻击者利用该漏洞执行欺骗攻击。以下产品和版本
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-26646
Vulnerability Information
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Vulnerability Title
.NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Visual Studio和Microsoft .NET 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Visual Studio和Microsoft .NET都是美国微软（Microsoft）公司的产品。Microsoft Visual Studio是一款开发工具套件系列产品，也是一个基本完整的开发工具集，它包括了整个软件生命周期中所需要的大部分工具。Microsoft .NET是一个致力于敏捷软件开发、快速应用开发、平台无关性和网络透明化的软件框架。 Microsoft Visual Studio和Microsoft .NET存在安全漏洞。攻击者利用该漏洞执行欺骗攻击。以下产品和版本
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | .NET 8.0 | 8.0.0 ~ 8.0.16 | - |
|
| Microsoft | .NET 9.0 | 9.0.0 ~ 9.0.5 | - |
|
| Microsoft | Build Tools for Visual Studio 2022 | 17.0 ~ Fixed Version 17.13.7 | - |
|
| Microsoft | Microsoft Visual Studio 2022 version 17.10 | 17.10.0 ~ 17.10.15 | - |
|
| Microsoft | Microsoft Visual Studio 2022 version 17.12 | 17.12.0 ~ 17.12.8 | - |
|
| Microsoft | Microsoft Visual Studio 2022 version 17.13 | 17.13.0 ~ 17.13.7 | - |
|
| Microsoft | Microsoft Visual Studio 2022 version 17.8 | 17.8.0 ~ 17.8.21 | - |
|
II. Public POCs for CVE-2025-26646
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Same Patch Batch · Microsoft · 2025-05-13 · 71 CVEs total
| CVE-2025-30387 | 9.8 CRITICAL | Document Intelligence Studio On-Prem Elevation of Privilege Vulnerability |
| CVE-2025-29964 | 8.8 HIGH | Windows Media Remote Code Execution Vulnerability |
| CVE-2025-29840 | 8.8 HIGH | Windows Media Remote Code Execution Vulnerability |
| CVE-2025-29962 | 8.8 HIGH | Windows Media Remote Code Execution Vulnerability |
| CVE-2025-29963 | 8.8 HIGH | Windows Media Remote Code Execution Vulnerability |
| CVE-2025-29967 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2025-29966 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2025-32704 | 8.4 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-30386 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2025-30377 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2025-32707 | 7.8 HIGH | NTFS Elevation of Privilege Vulnerability |
| CVE-2025-32706 | 7.8 HIGH | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2025-30400 | 7.8 HIGH | Microsoft DWM Core Library Elevation of Privilege Vulnerability |
| CVE-2025-32701 | 7.8 HIGH | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2025-30393 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-30383 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-32709 | 7.8 HIGH | Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability |
| CVE-2025-30381 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-29975 | 7.8 HIGH | Microsoft PC Manager Elevation of Privilege Vulnerability |
| CVE-2025-29977 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
Showing top 20 of 71 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: .NET 8.0
-
CVE-2026-62871
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CVE-2026-62902
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CVE-2026-50649
.NET Remote Code Execution Vulnerability -
CVE-2026-50646
.NET Framework Remote Code Execution Vulnerability
Same vendor: Microsoft
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Same weakness: CWE-73
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V. Comments for CVE-2025-26646
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