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7.8High

CVE-2026-96231.NET Elevation of Privilege Vulnerability

Microsoft .NET 10.0 runtime; Microsoft .NET 11.0 runtime; Microsoft .NET 8.0 runtime; Microsoft .NET 9.0 runtime Published: (1 month 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 8.0.0 – < 8.0.32
Microsoft .NET 10.0 runtime 10.0.0 – < 10.0.13
Microsoft .NET 11.0 runtime 11.0.0 – < 11.0.0-rc.2
Microsoft .NET 8.0 runtime 8.0.0 – < 8.0.32
Microsoft .NET 9.0 runtime 9.0.0 – < 9.0.21
microsoft visual studio 2022 17.14.0 – < 17.14.42

Ubuntu fixes

  • USN-8942-1 .NET vulnerabilities Ubuntu 26.10, 26.04, 24.04, 22.04 · 20.10.2026 · dotnet10, dotnet11, dotnet8

References and patches

Recent CVEs in the same product — Ubuntu 22.04 LTS

7.7High
CVE-2026-109518

APT RCE via hard link reuse

Debian APT; Ubuntu APT

On Debian, Ubuntu, and derivative Linux distributions, an on-path attacker who can manipulate the HTTP traffic (including a malicious mirror or proxy) between an APT client and an archive server triggered by a package install can trick the client into install…

7.8High
CVE-2026-114148

ASP.NET Core Elevation of Privilege Vulnerability

Microsoft .NET 10.0 installed on Linux; Microsoft .NET 10.0 installed on Mac OS; Microsoft .NET 10.0 installed on Windows; Microsoft .NET 11.0 installed on Linux

Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.