Microsoft .NET Framework是美国微软（Microsoft）公司的一种全面且一致的编程模型，也是一个用于构建Windows、Windows Store、Windows Phone、Windows Server和Microsoft Azure的应用程序的开发平台。该平台包括C#和Visual Basic编程语言、公共语言运行库和广泛的类库。

Microsoft .NET Framework存在安全漏洞。以下产品和版本受到影响：Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 for Windows Server 2012,Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 for Windows Server 2012 (Server Core installation),Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 for Windows Server 2012 R2,Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 for Windows Server 2012 R2 (Server Core installation),Microsoft .NET Framework 3.5 AND 4.8.1 for Windows Server 2022,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows Server 2022 (Server Core installation),Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 20H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 20H2 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 20H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 11 version 21H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 11 version 21H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 21H2 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 21H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 21H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 11 Version 22H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 11 Version 22H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 22H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 22H2 for 32-bit Systems,Microsoft .NET Framework 4.6.2 for Windows Server 2008 for 32-bit Systems Service Pack 2,Microsoft .NET Framework 4.6.2 for Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation),Microsoft .NET Framework 4.6.2 for Windows Server 2008 for x64-based Systems Service Pack 2,Microsoft .NET Framework 4.6.2 for Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation),Microsoft .NET Framework 3.5 and 4.6.2 for Windows 10 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 1607 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows Server 2016 (Server Core installation),Microsoft .NET Framework 3.5 AND 4.7.2 for Windows 10 Version 1607 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 22H2 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 22H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 1607 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.7.2 for Windows Server 2016 (Server Core installation),Microsoft .NET Framework 3.5 AND 4.8 for Windows Server 2016,Microsoft .NET Framework 3.5 AND 4.7.2 for Windows 10 Version 1607 for 32-bit Systems,Microsoft .NET Framework 3.5 and 4.6.2 for Windows 10 for x64-based Systems,Microsoft .NET Framework 2.0 Service Pack 2 for Windows Server 2008 for 32-bit Systems Service Pack 2,Microsoft .NET Framework 2.0 Service Pack 2 for Windows Server 2008 for x64-based Systems Service Pack 2,Microsoft .NET Framework 3.0 Service Pack 2 for Windows Server 2008 for 32-bit Systems Service Pack 2,Microsoft .NET Framework 3.0 Service Pack 2 for Windows Server 2008 for x64-based Systems Service Pack 2,Microsoft .NET Framework 3.5 for Windows Server 2012,Microsoft .NET Framework 3.5 for Windows Server 2012 (Server Core installation),Microsoft .NET Framework 3.5 for Windows Server 2012 R2,Microsoft .NET Framework 3.5 for Windows Server 2012 R2 (Server Core installation),Microsoft .NET Framework 3.5.1 for Windows Server 2008 R2 for x64-based Systems Service Pack 1,Microsoft .NET Framework 3.5.1 for Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation),Microsoft .NET Framework 4.8 for Windows Server 2012 (Server Core installation),Microsoft .NET Framework 4.8 for Windows Server 2012 R2,Microsoft .NET Framework 4.8 for Windows Server 2012 R2 (Server Core installation),Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 1809 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 1809 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows Server 2019,Microsoft .NET Framework 3.5 AND 4.8 for Windows Server 2019 (Server Core installation),Microsoft .NET Framework 3.5 AND 4.8 for Windows Server 2022,Microsoft .NET Framework 3.5 AND 4.8 for Windows Server 2022 (Server Core installation),Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 20H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 20H2 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 20H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 11 version 21H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 11 version 21H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 21H2 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 21H2 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 21H2 for x64-based Systems,Microsoft .NET Framework 4.8 for Windows Server 2008 R2 for x64-based Systems Service Pack 1,Microsoft .NET Framework 4.8 for Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation),Microsoft .NET Framework 4.8 for Windows Server 2012,Microsoft .NET Framework 3.5 AND 4.7.2 for Windows 10 Version 1809 for 32-bit Systems,Microsoft .NET Framework 3.5 AND 4.7.2 for Windows 10 Version 1809 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.7.2 for Windows 10 Version 1809 for ARM64-based Systems,Microsoft .NET Framework 3.5 AND 4.7.2 for Windows Server 2019,Microsoft .NET Framework 3.5 AND 4.7.2 for Windows Server 2019 (Server Core installation),Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 for Windows Server 2008 R2 for x64-based Systems Service Pack 1,Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 for Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation),Microsoft .NET Framework 3.5 AND 4.8.1 for Windows 10 Version 22H2 for x64-based Systems,Microsoft .NET Framework 3.5 AND 4.7.2 for Windows Server 2016,Microsoft .NET Framework 3.5 AND 4.8 for Windows 10 Version 22H2 for x64-based Systems。