Red Hat Security Advisory: .NET 10.0 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: 10.0.112 Runtime version: 10.0.12 Security Fix(es): * dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability (CVE-2026-58649) * dotnet10.0: dotnet9.0: .NET Elevation of Privilege Vulnerability (CVE-2026-69806) Bug Fix(es) and Enhancement(s): * Update .NET 10.0 to SDK 10.0.112 and Runtime 10.0.12 [rhel-9.8.z] (JIRA:RHEL-252319) 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.
AI Analysis
Technical Summary
Red Hat issued a security advisory for .NET 10.0 on Red Hat Enterprise Linux 9, addressing two vulnerabilities: an information disclosure vulnerability (CVE-2026-58649) affecting .NET 8.0, 9.0, and 10.0, and an elevation of privilege vulnerability (CVE-2026-69806) affecting .NET 9.0 and 10.0. The advisory includes updates to the .NET SDK (version 10.0.112) and runtime (version 10.0.12) to fix these issues. The vulnerabilities are rated as important by Red Hat, but no detailed CVSS scores are provided. The advisory references Red Hat's errata RHSA-2026:67613 and provides links for applying the update. The affected products include various architectures of Red Hat Enterprise Linux 9 and related builder and extended update support variants.
Potential Impact
The vulnerabilities could allow unauthorized information disclosure and elevation of privilege within the .NET runtime environment on affected Red Hat Enterprise Linux 9 systems. This can potentially lead to exposure of sensitive data and unauthorized actions with elevated privileges. The exact impact details and CVSS scores are not provided in the advisory, but Red Hat rates the security impact as important.
Mitigation Recommendations
Red Hat has released updated .NET SDK and runtime packages (SDK 10.0.112 and Runtime 10.0.12) that address these vulnerabilities. Users should apply the updates as provided in Red Hat advisory RHSA-2026:67613. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update
Description
.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: 10.0.112 Runtime version: 10.0.12 Security Fix(es): * dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability (CVE-2026-58649) * dotnet10.0: dotnet9.0: .NET Elevation of Privilege Vulnerability (CVE-2026-69806) Bug Fix(es) and Enhancement(s): * Update .NET 10.0 to SDK 10.0.112 and Runtime 10.0.12 [rhel-9.8.z] (JIRA:RHEL-252319) 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
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Red Hat issued a security advisory for .NET 10.0 on Red Hat Enterprise Linux 9, addressing two vulnerabilities: an information disclosure vulnerability (CVE-2026-58649) affecting .NET 8.0, 9.0, and 10.0, and an elevation of privilege vulnerability (CVE-2026-69806) affecting .NET 9.0 and 10.0. The advisory includes updates to the .NET SDK (version 10.0.112) and runtime (version 10.0.12) to fix these issues. The vulnerabilities are rated as important by Red Hat, but no detailed CVSS scores are provided. The advisory references Red Hat's errata RHSA-2026:67613 and provides links for applying the update. The affected products include various architectures of Red Hat Enterprise Linux 9 and related builder and extended update support variants.
Potential Impact
The vulnerabilities could allow unauthorized information disclosure and elevation of privilege within the .NET runtime environment on affected Red Hat Enterprise Linux 9 systems. This can potentially lead to exposure of sensitive data and unauthorized actions with elevated privileges. The exact impact details and CVSS scores are not provided in the advisory, but Red Hat rates the security impact as important.
Mitigation Recommendations
Red Hat has released updated .NET SDK and runtime packages (SDK 10.0.112 and Runtime 10.0.12) that address these vulnerabilities. Users should apply the updates as provided in Red Hat advisory RHSA-2026:67613. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:67613
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-69806"]
- State
- PUBLISHED
Threat ID: 6aaa07ba55bf5e2cf5e88ccc
Added to database: 09/16/2026, 03:06:34 UTC
Last enriched: 09/16/2026, 03:13:33 UTC
Last updated: 09/16/2026, 04:01:22 UTC
Views: 3
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