RLSA-2026:21295 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...

ALSA-2026:21294 Important: .NET 9.0 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 9.0.117 and .NET Runtime...

RHEL 9 : .NET 8.0 (RHSA-2026:21293)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21293 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...

ALSA-2026:21295 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...

EUVD-2026-29634

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

UBUNTU-CVE-2026-35433

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

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 (KB5088863)

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 KB5088863...

2026-05 Cumulative Update for .NET Framework 4.8 for Windows Server 2016 for x64 (KB5087065)

2026-05 Cumulative Update for .NET Framework 4.8 for Windows Server 2016 for x64 KB5087065...

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 for x64 (KB5088860)

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 for x64 KB5088860...

2026-05 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for ARM64 (KB5088864)

2026-05 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for ARM64 KB5088864...

2026-05 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5088859)

2026-05 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 for x64 KB5088859...

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

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

May 12, 2026-KB5087058 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2

May 12, 2026-KB5087058 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 12, 2026 update for Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework...

May 12, 2026-KB5087065 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016

May 12, 2026-KB5087065 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016 Release Date: May 12, 2026 Version: .NET Framework 4.8 The May 12, 2026 update for Windows 10, version 1607 and Windows Server 2016 includes security and cumulative reliability...

May 12, 2026-KB5087059 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows Server 2022

May 12, 2026-KB5087059 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows Server 2022 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 12, 2026 update for Windows Server 2022 includes security and cumulative reliability improvements in .NET Framework 3.5 and...

May 12, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 (KB5087062)

May 12, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 KB5087062 Applies to: Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2 Important The installation of this Extended...

May 12, 2026-KB5087061 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019

May 12, 2026-KB5087061 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.7.2 The May 12, 2026 update for Windows 10, version 1809 and Windows Server 2019 includes security and...

May 12, 2026-KB5087055 Cumulative Update for .NET Framework 4.8.1 for Windows 11, version 26H1

May 12, 2026-KB5087055 Cumulative Update for .NET Framework 4.8.1 for Windows 11, version 26H1 Release Date: May 12, 2026 Version: .NET Framework 4.8.1 The May 12, 2026 update for Windows 11, version 26H1 includes security and cumulative reliability improvements in .NET Framework 4.8.1. We...

May 12, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 (KB5087048)

May 12, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 KB5087048 Applies to: Microsoft .NET Framework 3.5 Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows...

May 12, 2026-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 (KB5088861)

May 12, 2026-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 KB5088861 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2...