RHSA-2026:98571: Important: .NET 11.0 security, bug fix, and enhancement update
.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.2.26504.105Runtime version: 11.0.0~rc.2.26504.105Security Fix(es): .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909) Bug Fix(es) and Enhancement(s): Update .NET 11 to RC 1 [rhel-10.3.z] (JIRA:RHEL-266663) Update .NET 11 to RC 2 [rhel-10.3.z] (JIRA:RHEL-277207) 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
.NET SDKto a version that resolves this vulnerability.Fixed in 11.0.100~rc.2.26504.105 - Upgrade
Upgrade
.NET Runtimeto a version that resolves this vulnerability.Fixed in 11.0.0~rc.2.26504.105
Event History
Frequently Asked Questions
Which .NET components are updated by this advisory?
The advisory updates the .NET 11 SDK to version 11.0.100~rc.2.26504.105 and the runtime to version 11.0.0~rc.2.26504.105.
What security issue is addressed?
It addresses CVE-2026-62909, identified as a .NET elevation of privilege vulnerability. The provided advisory data does not include exploit prerequisites, affected configurations, or temporary mitigations.
Which Red Hat release context is indicated for the update?
The listed enhancement entries identify the update as targeting rhel-10.3.z.