Win Update KB5015732 Cumulative Update Preview .NET Framework 3.5 and 4.8 for Windows 11 - Aug. 9


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August 9, 2022-KB5015732 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 11​


The August 9, 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

WPF1- Addresses an issue where invoking a synchronization Wait on the UI thread can lead to a render-thread failure, due to unexpected re-entrancy.
Networking- Addresses an issue when Ssl negotiation can hang indefinitely when client certificates are used when TLS 1.3 is negotiated. Before the change renegotiation (PostHandshakeAuthentiction) would fail and SslStream or HttpWebRequest would observe timeout. Possible workaround is disabling TLS 1.3 either via Switch.System.Net.DontEnableTls13 AppContext or via OS registry.
1Windows Presentation Foundation (WPF)

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 ChannelAvailableNext Step
Windows Update and Microsoft UpdateYesTo download and install this update, go to Settings > Update & Security > Windows Update, and then select Check for updates.
Windows Update for BusinessNoNone. 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 CatalogYesTo get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)YesThis update will automatically sync with WSUS if you configure Products and Classifications as follows:
Product: Windows 11
Classification: Updates

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:


Check Windows Updates


Direct download links for KB5015732 MSU file from Microsoft Update Catalog:

Download KB5015732 MSU for Windows 11 64-bit (x64) - 56.5 MB

Download KB5015732 MSU for Windows 11 ARM64 - 56.5 MB
 

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