CVE-2026-26131GHSA-CRJQ-WM6X-6QX7BIT-DOTNET-2026-26131BIT-DOTNET-SDK-2026-26131
.NET Elevation of Privilege Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 10.0.4
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Microsoft .NET 10.0
From 10.0.0 · fixed in 10.0.4
- Microsoft.NetCore.App.Runtime.linux-armNuGet
From 10.0.0 · fixed in 10.0.4
- Microsoft.NetCore.App.Runtime.linux-arm64NuGet
From 10.0.0 · fixed in 10.0.4
- Microsoft.NetCore.App.Runtime.linux-musl-armNuGet
From 10.0.0 · fixed in 10.0.4
- Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet
From 10.0.0 · fixed in 10.0.4
- Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet
From 10.0.0 · fixed in 10.0.4
- Microsoft.NetCore.App.Runtime.linux-x64NuGet
From 10.0.0 · fixed in 10.0.4