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CVE-2026-32175— .NET Core Tampering Vulnerability

Quick assessment

Affected
Microsoft .NET 10.0
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存在安全漏洞。攻击者利用该漏洞可以篡改信息。以下产品和版本受到影响：.NET 10.0 installed on Windows,.NET 8.0 installed on Windows,.NET 9.0 installed on Windows,Microsoft Visual Studio 2026 version 18.5,Micr

CVSS 4.3 · Medium EPSS 0.64% · P48

Possible ATT&CK Techniques 1 AI

T1564.004 · NTFS File Attributes

Affected Version Matrix 6

VendorProduct Version RangeStatus
Microsoft .NET 10.0 10.0.0< 10.0.8 affected
Microsoft .NET 8.0 8.0.0< 8.0.27 affected
Microsoft .NET 9.0 9.0.0< 9.0.16 affected
Microsoft Microsoft Visual Studio 2022 version 17.12 17.12.0< 17.12.20 affected
Microsoft Microsoft Visual Studio 2022 version 17.14 17.14.0< 17.14.32 affected
Microsoft Microsoft Visual Studio 2026 version 18.5 18.5.0< 18.5.3 affected
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I. Basic Information for CVE-2026-32175

Vulnerability Information
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Vulnerability Title
.NET Core Tampering Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
绝对路径遍历
Source: CVE Program / CVE List V5
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篡改信息。以下产品和版本受到影响：.NET 10.0 installed on Windows,.NET 8.0 installed on Windows,.NET 9.0 installed on Windows,Microsoft Visual Studio 2026 version 18.5,Micr
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 10.0 10.0.0 ~ 10.0.8 -
Microsoft .NET 8.0 8.0.0 ~ 8.0.27 -
Microsoft .NET 9.0 9.0.0 ~ 9.0.16 -
Microsoft Microsoft Visual Studio 2022 version 17.12 17.12.0 ~ 17.12.20 -
Microsoft Microsoft Visual Studio 2022 version 17.14 17.14.0 ~ 17.14.32 -
Microsoft Microsoft Visual Studio 2026 version 18.5 18.5.0 ~ 18.5.3 -

II. Public POCs for CVE-2026-32175

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III. Intelligence Information for CVE-2026-32175

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Vendor Advisories for CVE-2026-32175 (1)

Same Patch Batch · Microsoft · 2026-05-12 · 125 CVEs total

CVE-2026-42898 9.9 CRITICAL Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-42823 9.9 CRITICAL Azure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-41096 9.8 CRITICAL Windows DNS Client Remote Code Execution Vulnerability
CVE-2026-41089 9.8 CRITICAL Windows Netlogon Remote Code Execution Vulnerability
CVE-2026-40402 9.3 CRITICAL Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-40379 9.3 CRITICAL Azure Entra ID Spoofing Vulnerability
CVE-2026-42833 9.1 CRITICAL Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-33117 9.1 CRITICAL Azure SDK for Java Security Feature Bypass Vulnerability
CVE-2026-41103 9.1 CRITICAL Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
CVE-2026-33110 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-40403 8.8 HIGH Windows Graphics Component Remote Code Execution Vulnerability
CVE-2026-41109 8.8 HIGH GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-40357 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-35436 8.8 HIGH Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-35439 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-40420 8.8 HIGH Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-41086 8.8 HIGH Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
CVE-2026-40365 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-33112 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-40370 8.8 HIGH SQL Server Remote Code Execution Vulnerability

Showing top 20 of 125 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: .NET 10.0
Same vendor: Microsoft
Same weakness: CWE-36

V. Comments for CVE-2026-32175

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