September 26, 2023 - KB5030651 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2
The September 26, 2023 update for Windows 11, version 22H2 includes 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.
Summary
Security Improvements
There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements.
Quality and Reliability Improvements
ASP.NET - Addresses an issue with "System.ArgumentException: Illegal characters in path" in some ASP.Net MVC requests. SqlClient - Addresses an issue with SQL event source telemetry. Additional information about this update
The following articles contain additional information about this update as it relates to individual product versions.
- 5030651 Description of the Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 (KB5030651)
Known issues in this update
Microsoft is not currently aware of any issues in this update.
How to get this update
Install this update
Release Channel Available Next Step Windows Update and Microsoft Update Yes None. This update will be downloaded and installed automatically from Windows Update. Windows Update for Business No None. These changes will be included in the next security update to this channel. For more information about Windows Update for Business go to the Windows Update for Business website. Microsoft Update Catalog Yes To get the standalone package for this update, go to the Microsoft Update Catalog website. Windows Server Update Services (WSUS) No You can import this update into WSUS manually via 5030651. See the Microsoft Update Catalog for instructions.
File information
For a list of the files that are provided in this update, download the file information for cumulative update.
Prerequisites
To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed.
Restart requirement
You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.
Source:
.NET Framework September 2023 Cumulative Update Preview - .NET Blog
September 2023 Cumulative Update Preview for .NET Framework.
devblogs.microsoft.com
Last edited: