ALSA-2026:22145 Important: .NET 10.0 security update

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 10.0.108 and .NET Runtime...

.NET 9.0 security update

An update is available for dotnet9.0. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a managed-software framework. It implements a subset of the .NET...

.NET 10.0 security update

An update is available for dotnet10.0. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list .NET is a managed-software framework. It implements a subset of the .NET...

RHEL 10 : .NET 9.0 (RHSA-2026:21754)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:21754 advisory. .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation...

May 26, 2026-KB5092427 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2

May 26, 2026-KB5092427 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 Release Date: May 26, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 26, 2026 update for Windows 11, version 25H2 includes security and cumulative reliability improvements in .NET...

Microsoft Security Advisory CVE-2026-35433 – .NET Elevation of Privilege Vulnerability

Executive Summary: Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0, .NET 9.0, and .NET 10.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Improper input validation i...

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 (KB5087052)

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 KB5087052...

2026-05 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5088863)

2026-05 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 KB5088863...

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 (KB5088864)

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 KB5088864...

2026-05 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 for x64 (KB5087065)

2026-05 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 for x64 KB5087065...

2026-05 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5088862)

2026-05 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 KB5088862...

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 for x64 (KB5088864)

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 for x64 KB5088864...

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 (KB5088859)

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 KB5088859...

2026-05 Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 for x64 (KB5088861)

2026-05 Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 for x64 KB5088861...

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 (KB5088864)

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 KB5088864...

CVE-2026-35433

CVE-2026-35433 involves improper input validation in .NET Framework that enables local Elevation of Privilege. Public details in connected documents indicate the vulnerability affects multiple .NET Framework versions and is being addressed via May 12, 2026 security updates (e.g., KB5087058/KB5087...

CVE-2026-32177 .NET Elevation of Privilege Vulnerability

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May 12, 2026-KB5087053 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 and Windows 10 Version 22H2

May 12, 2026-KB5087053 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 and Windows 10 Version 22H2 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 12, 2026 update for Windows 10 Version 21H2 and Windows 10 Version 22H2 includes security and...

May 12, 2026-KB5087051 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2

May 12, 2026-KB5087051 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 12, 2026 update for Windows 11, version 25H2 and Microsoft server operating...

.NET Elevation of Privilege Vulnerability

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally...