April 25, 2022-KB5012159 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 11
The April 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
| DS1 | - Addresses an issue where 3rd party .NET apps using certain System.DirectoryServices APIs crash with an Access Violation (0xC0000005). |
1Directory Services (DS)
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.
support.microsoft.com
devblogs.microsoft.com
