We have released the April 2022 Cumulative Update Preview for .NET Framework.
Quality and Reliability
This release contains the following quality and reliability improvements.
DS1
- Addresses an issue where 3rd party .NET apps using certain System.DirectoryServices APIs crash with an Access Violation (0xC0000005).
1 Directory Services (DS)
Getting the Update
The Cumulative Update Preview is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog.
Microsoft Update Catalog
You can get the update via the Microsoft Update Catalog. For Windows 10, NET Framework 4.8 updates are available via Windows Update, Windows Server Update Services, Microsoft Update Catalog. Updates for other versions of .NET Framework are part of the Windows 10 Monthly Cumulative Update.
Note: Customers that rely on Windows Update and Windows Server Update Services will automatically receive the .NET Framework version-specific updates. Advanced system administrators can also take use of the below direct Microsoft Update Catalog download links to .NET Framework-specific updates. Before applying these updates, please ensure that you carefully review the .NET Framework version applicability, to ensure that you only install updates on systems where they apply.
The following table is for Windows 10 and Windows Server 2016+ versions.
| Product Version | Cumulative Update | |
|---|---|---|
| Windows 11 | ||
| .NET Framework 3.5, 4.8 | Catalog | 5012159 |
| Microsoft server operating systems version 21H2 | ||
| .NET Framework 3.5, 4.8 | Catalog | 5012160 |
| Windows 10 21H2 | ||
| .NET Framework 3.5, 4.8 | Catalog | 5012157 |
| Windows 10 21H1 | ||
| .NET Framework 3.5, 4.8 | Catalog | 5012157 |
| Windows 10, version 20H2 and Windows Server, version 20H2 | ||
| .NET Framework 3.5, 4.8 | Catalog | 5012157 |
| Windows 10 1809 (October 2018 Update) and Windows Server 2019 | 5012796 | |
| .NET Framework 3.5, 4.7.2 | Catalog | 5012162 |
| .NET Framework 3.5, 4.8 | Catalog | 5012158 |
Previous Monthly Rollups
The last few .NET Framework Monthly updates are listed below for your convenience:
Please explain what “Preview” means. Does it mean that the same update will get released again when it’s final? If not, and this is the only release, why call it Preview?
We use “preview” because we release this only to RS5 and above in this release. It followed by release to all other supported OSs the following month Security and Quality Rollup release.