CVE-2025-21173— .NET Elevation of Privilege Vulnerability
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I. Basic Information for CVE-2025-21173
Vulnerability Information
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Vulnerability Title
.NET Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
.NET Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在具有不安全权限的目录中创建临时文件
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft .NET 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft .NET是美国微软（Microsoft）公司的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 .NET存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Microsoft Visual Studio 2022 version 17.8,Microsoft Visual Studio 2022 version 17.10,.NET 8.0 installed on Linux,.NET 9.0 installed on Li
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 ~ 8.0.12 | - | |
| Microsoft | .NET 9.0 | 9.0.0 ~ 9.0.1 | - | |
| Microsoft | Microsoft Visual Studio 2022 version 17.10 | 17.10.0 ~ 17.10.10 | - | |
| Microsoft | Microsoft Visual Studio 2022 version 17.12 | 17.12.0 ~ 17.12.4 | - | |
| Microsoft | Microsoft Visual Studio 2022 version 17.6 | 17.6.0 ~ 17.6.22 | - | |
| Microsoft | Microsoft Visual Studio 2022 version 17.8 | 17.8.0 ~ 17.8.17 | - |
II. Public POCs for CVE-2025-21173
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Microsoft · 2025-01-14 · 157 CVEs total
| CVE-2025-21298 | 9.8 CRITICAL | Windows OLE Remote Code Execution Vulnerability |
| CVE-2025-21311 | 9.8 CRITICAL | Windows NTLM V1 Elevation of Privilege Vulnerability |
| CVE-2025-21307 | 9.8 CRITICAL | Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability |
| CVE-2025-21292 | 8.8 HIGH | Windows Search Service Elevation of Privilege Vulnerability |
| CVE-2025-21266 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21282 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21293 | 8.8 HIGH | Active Directory Domain Services Elevation of Privilege Vulnerability |
| CVE-2025-21291 | 8.8 HIGH | Windows Direct Show Remote Code Execution Vulnerability |
| CVE-2025-21302 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21303 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21306 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21176 | 8.8 HIGH | .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability |
| CVE-2025-21178 | 8.8 HIGH | Visual Studio Remote Code Execution Vulnerability |
| CVE-2025-21273 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21223 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21240 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21238 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21417 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21245 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21409 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
Showing top 20 of 157 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: .NET 8.0
- CVE-2025-55248
.NET, .NET Framework, and Visual Studio Information Disclosu - CVE-2025-55247
.NET Elevation of Privilege Vulnerability - CVE-2025-30399
.NET and Visual Studio Remote Code Execution Vulnerability - CVE-2025-26646
.NET, Visual Studio, and Build Tools for Visual Studio Spoof - CVE-2025-21172
.NET and Visual Studio Remote Code Execution Vulnerability
Same vendor: Microsoft
- CVE-2026-42826
Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
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