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 4.8 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 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 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...

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

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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)

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

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

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

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

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

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PT-2026-40133

Name of the Vulnerable Software and Affected Versions .NET affected versions not specified Description A heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. A heap-based buffer overflow occurs when an application writes more data to a heap-allocated...

May 12, 2026-KB5087077 Cumulative Update for .NET Framework 3.5 for Windows 11, version 26H1 (build 28000) and later

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May 12, 2026-KB5088864 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

None None...

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)

None None...

BIT-DOTNET-SDK-2026-33116 .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

Loop with unreachable exit condition 'infinite loop' in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network...

PT-2026-38465

Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network...

RHEL 9 : .NET 8.0 (RHSA-2026:13693)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13693 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...

dotnet: .NET: Denial of Service via Infinite Recursion in XmlDecryptionTransform

A flaw was found in .NET. A remote attacker could exploit this vulnerability by crafting a malicious XML document that triggers an infinite recursion within the XmlDecryptionTransform component. This could lead to a Denial of Service DoS, making the affected system unresponsive...