# Duplicate Advisory: Microsoft Security Advisory , .NET Elevation of Privilege Vulnerability

Source: https://junglewise.ai/threats/duplicate-advisory-microsoft-security-advisory-net-elevation-of-3c289866  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-10  
License: CC BY 4.0 with a link back

Severity: low · CVSS 3.1 · Published 2026-03-10

Duplicate Advisory: Microsoft Security Advisory CVE-2026-26131 – .NET Elevation of Privilege Vulnerability

Technologies: [Microsoft.NetCore.App.Runtime.linux-arm (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-linux-arm), [Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-linux-arm64), [Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-linux-musl-arm), [Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-linux-musl-arm64), [Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-linux-musl-x64), [Microsoft.NetCore.App.Runtime.linux-x64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-linux-x64). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Low severity, with a CVSS score of 3.1, published 10 March 2026.

**Which products and versions are affected?** Microsoft.NetCore.App.Runtime.linux-arm (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4; Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4; Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4; Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4; and 2 more.

**Is there a fix for This vulnerability?** Yes. Microsoft.NetCore.App.Runtime.linux-arm (NuGet): upgrade to 10.0.4 or later; Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet): upgrade to 10.0.4 or later; Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet): upgrade to 10.0.4 or later; Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet): upgrade to 10.0.4 or later; Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet): upgrade to 10.0.4 or later; Microsoft.NetCore.App.Runtime.linux-x64 (NuGet): upgrade to 10.0.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run Microsoft.NetCore.App.Runtime.linux-arm (NuGet), Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet), Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Microsoft.NetCore.App.Runtime.linux-arm (NuGet): upgrade to 10.0.4 or later

  ```sh
  dotnet add package Microsoft.NetCore.App.Runtime.linux-arm --version 10.0.4
  ```

- Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet): upgrade to 10.0.4 or later

  ```sh
  dotnet add package Microsoft.NetCore.App.Runtime.linux-arm64 --version 10.0.4
  ```

- Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet): upgrade to 10.0.4 or later

  ```sh
  dotnet add package Microsoft.NetCore.App.Runtime.linux-musl-arm --version 10.0.4
  ```

- Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet): upgrade to 10.0.4 or later

  ```sh
  dotnet add package Microsoft.NetCore.App.Runtime.linux-musl-arm64 --version 10.0.4
  ```

- Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet): upgrade to 10.0.4 or later

  ```sh
  dotnet add package Microsoft.NetCore.App.Runtime.linux-musl-x64 --version 10.0.4
  ```

- Microsoft.NetCore.App.Runtime.linux-x64 (NuGet): upgrade to 10.0.4 or later

  ```sh
  dotnet add package Microsoft.NetCore.App.Runtime.linux-x64 --version 10.0.4
  ```


## Affected products

- Microsoft.NetCore.App.Runtime.linux-arm (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4
- Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4
- Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4
- Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4
- Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4
- Microsoft.NetCore.App.Runtime.linux-x64 (NuGet) ECOSYSTEM:introduced=10.0.0,fixed=10.0.4

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