RHSA-2026:92511 — Security Advisory

An update for .NET 11.0 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 11.0.100~rc.3.26522.148 Runtime version: 11.0.0~rc.3.26522.148

Security Fix(es):

• .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)

• dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114148)

Bug Fix(es) and Enhancement(s):

• Update .NET 11 to RC 1 (JIRA:RHEL-260220)

• Update .NET 11 to RC 2 (JIRA:RHEL-276919)

• Update .NET 11 to RC 3 (JIRA:RHEL-292372)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.