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6.7Medium

CVE-2026-70165.NET Elevation of Privilege Vulnerability

Microsoft .NET 10.0 runtime; Microsoft .NET 11.0 runtime; Microsoft .NET 9.0 runtime; Microsoft Microsoft Visual Studio 2022 version 17.14 Published: (29 days ago)

Description

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Weakness (CWE): CWE-59

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Microsoft Microsoft Visual Studio 2022 version 17.14 17.14.0 – < 17.14.42
Microsoft Microsoft Visual Studio 2026 version 18.10 18.10.0 – < 18.10.4
microsoft .net 9.0.0 – < 9.0.319, 9.0.122
Microsoft .NET 10.0 runtime 10.0.0 – < 10.0.402
Microsoft .NET 11.0 runtime 11.0.0 – < 11.0.100-rc.2
Microsoft .NET 9.0 runtime 9.0.0 – < 9.0.319, 9.0.122
microsoft visual studio 2022 17.14.0 – < 17.14.42

References and patches

Recent CVEs in the same product — .NET

5.3Medium
CVE-2026-120796

.NET Denial of Service Vulnerability

Microsoft .NET 11.0 installed on Linux; Microsoft .NET 11.0 installed on Mac OS; Microsoft .NET 11.0 installed on Windows; Microsoft System.Text.Json

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

1.2%EPSS
7.5High
CVE-2026-118749

ASP.NET Core Denial of Service Vulnerability

Microsoft .NET 11.0 installed on Linux; Microsoft .NET 11.0 installed on Mac OS; Microsoft .NET 11.0 installed on Windows; Microsoft Microsoft Visual Studio 2026 version 18.12

Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.

1.1%EPSS
7.5High
CVE-2026-118748

ASP.NET Core Denial of Service Vulnerability

Microsoft .NET 11.0 installed on Linux; Microsoft .NET 11.0 installed on Mac OS; Microsoft .NET 11.0 installed on Windows; Microsoft Microsoft Visual Studio 2026 version 18.12

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

1.1%EPSS
8.8High
CVE-2026-118745

Visual Studio Remote Code Execution Vulnerability

Microsoft .NET 10.0 installed on Windows; Microsoft .NET 11.0 installed on Windows; Microsoft .NET 8.0 installed on Windows; Microsoft .NET 9.0 installed on Windows

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

8.8High
CVE-2026-114159

Visual Studio Remote Code Execution Vulnerability

Microsoft .NET 10.0 installed on Windows; Microsoft .NET 11.0 installed on Windows; Microsoft .NET 8.0 installed on Windows; Microsoft .NET 9.0 installed on Windows

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.