The August 13, 2024 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines.

How to obtain and install the update. This update is available on Microsoft Update for Windows client operating systems and available on WSUS and MU Catalog for Windows Server operating systems. Prerequisites. This update will be offered if you have .NET 6.0 installed on a supported version of Windows. Restart Requirement.

When you recompile a Microsoft .NET Framework 4.5.1 application that uses .NET portable libraries to target the Microsoft .NET Framework 4.5.2, you receive the following error message during compilation: The type ' {type} ' is defined in an assembly that is not referenced.

Release Date: August 13, 2024. Version: .NET Framework 3.5, 4.7.2 and 4.8. Summary. This article describes the security and cumulative update for 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019. Security Improvements. There are no new security improvements in this release.

This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2. Security Improvements. This security update addresses a remote code execution vulnerability detailed in CVE-2024-21409.

The April 9, 2024 update for Windows 10 Version 21H2 and Windows 10 Version 22H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines.

To help keep Windows devices secure, Microsoft adds vulnerable bootloader modules to the Secure Boot DBX revocation list (maintained in the system UEFI-based firmware) to invalidate the vulnerable modules.

The Microsoft .NET Framework 4.8 is a highly compatible, in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1 and 4.7.2. The offline package can be used in situations in which the web installer cannot be used because of lack of Internet connectivity.

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

Microsoft .NET Framework 4.8 is a highly compatible and in-place update to .NET Framework 4.7, 4.7.1 and 4.7.2. However, it can run side-by-side with .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of .NET Framework.