The April 9, 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.

To reproduce this issue, compile the following example code by using the csc.exe /o+ command and generate an application that targets to the x64 platform by using the .NET Framework 2.0. using System; using System.Threading;

How to obtain and install the update. Before installing this update. Prerequisite: To apply this update, you must have .NET Framework 4.5.2 installed. Install this update. Release Channel. Available. Next Step. Windows Update and Microsoft Update.

This article contains information about the features and functions in the latest version of the Client-Side Caching Command-Line Options (CSCCMD) command-line tool (Csccmd.exe).

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. Before you install this update, see the Prerequisites and Restart requirement sections.

Introduction. This May 2017 Update for Windows 8.1 and Windows Server 2012 R2 includes cumulative reliability improvements in the .NET Framework 4.5.2. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the "Prerequisites" and "Restart requirement" sections. Important.

This article applies to the following: Microsoft .NET Framework 4.5.2 when used with: Windows Server 2012. Resolves a vulnerability in the Microsoft .NET Framework that could allow remote code execution when the .NET Framework processes untrusted input.

This security update for the Microsoft .NET Framework resolves a security feature bypass vulnerability when the .NET Framework (and the .NET Core) components don't completely validate certificates. To learn more about this vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2017-0248.

This article applies to the following: Microsoft .NET Framework 4.6 and 4.6.1 when used with: Windows Server 2012 R2. Windows 8.1. Resolves a security feature bypass vulnerability in which the .NET Framework (and the .NET Core) components don't completely validate certificates.

Summary. This security update resolves a vulnerability in Microsoft .NET Framework that may cause an information disclosure that allows bypassing Cross-origin Resource Sharing (CORS) configurations. An attacker who successfully exploits the vulnerability could retrieve from a web application content that's normally restricted.