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Advisory record · GHSA-crjq-wm6x-6qx7

.NET Elevation of Privilege Vulnerability

CVSS 7.8 HighEPSS 0.0040 · 34th percentile

Published by the GitHub Advisory Database at 11 Mar 2026, 19:53 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
Microsoft.NetCore.App.Runtime.linux-armNuGet>=10.0.0, <10.0.410.0.4
Microsoft.NetCore.App.Runtime.linux-arm64NuGet>=10.0.0, <10.0.410.0.4
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet>=10.0.0, <10.0.410.0.4
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet>=10.0.0, <10.0.410.0.4
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet>=10.0.0, <10.0.410.0.4
Microsoft.NetCore.App.Runtime.linux-x64NuGet>=10.0.0, <10.0.410.0.4
Identifiers
GHSA-crjq-wm6x-6qx7 · BIT-dotnet-2026-26131 · BIT-dotnet-sdk-2026-26131 · CVE-2026-26131
Weakness (CWE)
CWE-276
Tags
Published
11 Mar 2026
Updated
6 Apr 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Six Microsoft.NetCore.App.Runtime packages for Linux (linux-arm, linux-arm64, linux-musl-arm, linux-musl-arm64, linux-musl-x64, linux-x64) in .NET 10.0 versions 10.0.0 through 10.0.3 are affected by an elevation of privilege flaw caused by incorrect packaging permissions. An attacker with local low-privilege access could gain elevated privileges. Upgrade to version 10.0.4 and restart affected apps, including recompiling and redeploying self-contained applications.

Written 9 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C CNA (microsoft)
  • CISA KEV Not listed.
  • EPSS 0.0040, the 34th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 10 Mar 2026, 19:11 UTC Published by the maintainers as a GitHub repository advisory
  2. 31 Oct 2026, 15:22 UTC First seen by agentprime
  3. 31 Oct 2026, 15:22 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.