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CVE-2025-55247— .NET Elevation of Privilege 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 .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后置链接漏洞，该漏洞源于攻击者利用该漏洞可以提升权限。

CVSS 7.3 · High EPSS 0.57% · P45

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-55247

Vulnerability Information
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Vulnerability Title
.NET Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft .NET 后置链接漏洞
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后置链接漏洞，该漏洞源于攻击者利用该漏洞可以提升权限。
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 ~ 8.0.21 -
Microsoft .NET 9.0 9.0.0 ~ 9.0.10 -

II. Public POCs for CVE-2025-55247

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III. Intelligence Information for CVE-2025-55247

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Same Patch Batch · Microsoft · 2025-10-14 · 167 CVEs total

CVE-2025-55315 9.9 CRITICAL ASP.NET Security Feature Bypass Vulnerability
CVE-2025-49708 9.9 CRITICAL Microsoft Graphics Component Elevation of Privilege Vulnerability
CVE-2025-59287 9.8 CRITICAL Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
CVE-2025-59295 8.8 HIGH Windows URL Parsing Remote Code Execution Vulnerability
CVE-2025-58718 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-59228 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-59237 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-58715 8.8 HIGH Windows Speech Runtime Elevation of Privilege Vulnerability
CVE-2025-58716 8.8 HIGH Windows Speech Runtime Elevation of Privilege Vulnerability
CVE-2025-59249 8.8 HIGH Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2025-59213 8.8 HIGH Configuration Manager Elevation of Privilege Vulnerability
CVE-2025-53782 8.4 HIGH Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2025-59236 8.4 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59292 8.2 HIGH Azure Compute Gallery Elevation of Privilege Vulnerability
CVE-2025-59291 8.2 HIGH Confidential Azure Container Instances Elevation of Privilege Vulnerability
CVE-2025-59250 8.1 HIGH JDBC Driver for SQL Server Spoofing Vulnerability
CVE-2025-59233 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59290 7.8 HIGH Windows Bluetooth Service Elevation of Privilege Vulnerability
CVE-2025-59231 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59207 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability

Showing top 20 of 167 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: .NET 8.0
Same vendor: Microsoft
Same weakness: CWE-59

V. Comments for CVE-2025-55247

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