UPDATE 9/13:
www.elevenforum.com
Source:
devblogs.microsoft.com
Check Windows Updates
Direct download links for KB5016594 MSU file from Microsoft Update Catalog:
[fa]fas fa-download[/fa] Download KB5016594 MSU for Windows 11 64-bit (x64) - 56.5 MB
[fa]fas fa-download[/fa] Download KB5016594 MSU for Windows 11 ARM64 - 56.5 MB

KB5017497 Cumulative Update .NET Framework 3.5, 4.8, and 4.8.1 for Windows 11 - Sept. 13
Release notes will be posted when made available by Microsoft. Check Windows Updates Direct download links for KB5016594 MSU file from Microsoft Update Catalog: fas fa-download Download KB5016594 MSU for Windows 11 64-bit (x64) - 95.9 MB fas fa-download Download KB5016594 MSU for Windows...

August 25, 2022 - KB5016594 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 11 (21H2)
The August 25, 2022 update for Windows 11 includes 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. 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
Runtime - Addresses an issue regarding integer overflow exception in System.Windows.Forms.InputLanguage class. 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 To download and install this update, go to Settings > Update & Security > Windows Update, and then select Check for updates. 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. 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 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 August 2022 Cumulative Update Preview Updates - .NET Blog
Releasing the August 2022 Cumulative Update Preview for .NET Framework which contains quality and reliability improvements.

Check Windows Updates
Direct download links for KB5016594 MSU file from Microsoft Update Catalog:
[fa]fas fa-download[/fa] Download KB5016594 MSU for Windows 11 64-bit (x64) - 56.5 MB
[fa]fas fa-download[/fa] Download KB5016594 MSU for Windows 11 ARM64 - 56.5 MB
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