Incorrect default permissions in .NET for Linux - CVE-2026-26131
Published: March 10, 2026
Vulnerability identifier: #VU123780
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-26131
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions in .NET. A local user can gain elevated privileges on the target systen.
Affected software
.NET for Linux
How to mitigate CVE-2026-26131
Install updates from vendor's website.
.NET for Linux - update to 10.0.4