CVE-2026-26131
HIGH.NET 10.0 < 10.0.4 - Authenticated Privilege Escalation via Incorrect Default Permissions
Title source: llmDescription
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26131
Scores
CVSS v3
7.8
EPSS
0.0036
EPSS Percentile
27.6%
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