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...

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-2026-32175 .NET Core Tampering Vulnerability

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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-2026-35433

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally...

CVE-2026-32177 .NET Elevation of Privilege Vulnerability

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CVE-2026-32177

CVE-2026-32177 is a heap-based buffer overflow in the .NET Framework that enables local privilege escalation. The issue is described across multiple sources as affecting the .NET Framework components in versions 3.5 and 4.8.1, with impact described as unauthorized elevation of privileges locally ...

kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's xfrm-ESP and RxRPC subsystems. Unsafe in-place cryptographic processing of shared socket buffer fragments allows a low-privileged local attacker to corrupt page-cache contents of readable files, including sensitive system files, and gain root privileges. The...

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-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-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-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-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...

Description of the security update for SharePoint Server 2016 Language Pack: May 12, 2026 (KB5002869)

Description of the security update for SharePoint Server 2016 Language Pack: May 12, 2026 KB5002869 Summary Important: If you're running Microsoft SharePoint Server 2013-type workflows, you must install the August 2025 update for SharePoint Workflow Manager to your farm before you install this...

.NET Elevation of Privilege Vulnerability

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

May 12, 2026-KB5087068 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2022

May 12, 2026-KB5087068 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2022 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8 The May 12, 2026 update for Windows Server 2022 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8. W...

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-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-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 (KB5087049)

May 12, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 KB5087049 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 Window...

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...