CVE-2026-26131
dotnet: .NET: Privilege escalation via incorrect default permissions
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 11, 2026
Updated · July 7, 2026
Description
A flaw was found in .NET. Incorrect default permissions allow an authorized local attacker to exploit this vulnerability. This can lead to local privilege escalation, enabling the attacker to gain higher access rights on the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-276 · Incorrect Default Permissions