Describes a security update that resolves a vulnerability in ASP.NET MVC that could allow security feature bypass if an attacker convinces a user to click a specially crafted link or to go to a webpage that contains specially crafted content.

Update 4.0.3 for Microsoft .NET Framework 4 is now available. This update includes a set of new features and fixes some bugs, based on top customer requests and the .NET Framework scenarios. Notes. This update release updates only the runtime files for the Microsoft .NET Framework 4.

The October 22, 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.

The October 8, 2024 update for Windows 10, version 1809 and Windows Server 2019 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8. We recommend that you apply this update as part of your regular maintenance routines.

To get the standalone package for this update, go to the Microsoft Update Catalog website. This operating system update will offer, as applicable, and individual .NET Framework product updates will be installed. For more information about individual .NET Framework product updates see additional information about this update section.

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.

This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2. Security Improvements There are no new security improvements in this release.

This article describes the new management functionality in the Windows Management Framework (WMF) 4.0 Update. This hotfix is available for Windows Server 2012. This hotfix lets you use the following features and functionality in WMF 4.0: Windows PowerShell 4.0

To resolve this problem, you must fix the MSI software update registration corruption issues, or uninstall multiple versions of the .NET Framework by using the .NET Framework Cleanup Tool, and then reinstall those components. To troubleshoot this problem, follow these steps starting with Method 1.

Microsoft combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions. Install this update.