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 R2 (KB5087063)

None None...

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

None None...

.NET Elevation of Privilege Vulnerability

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

May 12, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 (KB5087067)

None None...

May 12, 2026-KB5087054 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2

None None...

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

None None...

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

None None...

Microsoft .NET 输入验证错误漏洞

Microsoft .NET is a software framework developed by Microsoft Corporation in the United States. It focuses on agile software development, rapid application development, platform independence, and transparency in networking. There is an input validation vulnerability in Microsoft .NET. Attackers c...

May 12, 2026-KB5088862 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022

None None...

May 12, 2026-KB5087052 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2

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 (KB5088860)

None None...

PT-2026-40187

Name of the Vulnerable Software and Affected Versions .NET affected versions not specified Description Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally...

May 12, 2026-KB5088863 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

None None...

ROS-20260508-73-0009

A vulnerability in the .NET software platform is related to incorrect handling of a missing special element. Exploitation of the vulnerability could allow an attacker acting remotely to conduct spoofing attacks...

PT-2026-38466

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

PT-2026-38464

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

PT-2026-38463

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

dotnet: .NET: Denial of Service via stack overflow

A flaw was found in .NET. A remote attacker could exploit a stack overflow vulnerability during encrypted key nested decryption, leading to a Denial of Service DoS. This could make the affected system unavailable to legitimate users...

dotnet: .NET: Security Bypass and Denial of Service Vulnerability

A flaw was found in .NET. A remote attacker could exploit a vulnerability related to unsafe transforms in EncryptedXml. This could lead to a Denial of Service DoS, making the service unavailable, and a bypass of security features...

dotnet: .NET: Security Bypass and Denial of Service Vulnerability

A flaw was found in .NET. A remote attacker could exploit a vulnerability related to unsafe transforms in EncryptedXml. This could lead to a Denial of Service DoS, making the service unavailable, and a bypass of security features...