CVE-2026-26131

HIGH

.NET - Privilege Escalation

Title source: llm
STIX 2.1

Description

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

References (1)

Scores

CVSS v3 7.8
EPSS 0.0002
EPSS Percentile 5.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-276
Status published
Products (8)
microsoft/.net 10.0.0 - 10.0.4
Microsoft/.NET 10.0 10.0.0 - 10.0.4
nuget/Microsoft.NetCore.App.Runtime.linux-arm 10.0.0 - 10.0.4NuGet
nuget/Microsoft.NetCore.App.Runtime.linux-arm64 10.0.0 - 10.0.4NuGet
nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm 10.0.0 - 10.0.4NuGet
nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm64 10.0.0 - 10.0.4NuGet
nuget/Microsoft.NetCore.App.Runtime.linux-musl-x64 10.0.0 - 10.0.4NuGet
nuget/Microsoft.NetCore.App.Runtime.linux-x64 10.0.0 - 10.0.4NuGet
Published Mar 10, 2026
Tracked Since Mar 11, 2026