High severity7.8NVD Advisory· Published Mar 10, 2026· Updated Apr 1, 2026
CVE-2026-26131
CVE-2026-26131
Description
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 10.0.0, < 10.0.4 | 10.0.4 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 10.0.0, < 10.0.4 | 10.0.4 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 10.0.0, < 10.0.4 | 10.0.4 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 10.0.0, < 10.0.4 | 10.0.4 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 10.0.0, < 10.0.4 | 10.0.4 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 10.0.0, < 10.0.4 | 10.0.4 |
Affected products
9- osv-coords8 versionspkg:bitnami/dotnetpkg:bitnami/dotnet-sdkpkg:nuget/microsoft.netcore.app.runtime.linux-armpkg:nuget/microsoft.netcore.app.runtime.linux-arm64pkg:nuget/microsoft.netcore.app.runtime.linux-musl-armpkg:nuget/microsoft.netcore.app.runtime.linux-musl-arm64pkg:nuget/microsoft.netcore.app.runtime.linux-musl-x64pkg:nuget/microsoft.netcore.app.runtime.linux-x64
>= 10.0.0, < 10.0.4+ 7 more
- (no CPE)range: >= 10.0.0, < 10.0.4
- (no CPE)range: >= 10.0.0, < 10.0.4
- (no CPE)range: >= 10.0.0, < 10.0.4
- (no CPE)range: >= 10.0.0, < 10.0.4
- (no CPE)range: >= 10.0.0, < 10.0.4
- (no CPE)range: >= 10.0.0, < 10.0.4
- (no CPE)range: >= 10.0.0, < 10.0.4
- (no CPE)range: >= 10.0.0, < 10.0.4
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-crjq-wm6x-6qx7ghsaADVISORY
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26131nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-26131ghsaADVISORY
- github.com/dotnet/runtime/security/advisories/GHSA-crjq-wm6x-6qx7ghsaWEB
News mentions
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