.NET Framework August 2023 Cumulative Update Preview

Salini Agarwal

Today, we are releasing the August 2023 Cumulative Update Preview Updates for .NET Framework.

Quality and Reliability

This release contains the following quality and reliability improvements.

  • Addresses an issue where the layout of collapsed panels are affected by CollectionChanged event.
  • Addresses an issue where unpredictable crashes which could occur in multi-appdomain scenarios running on arm64.
  • Addresses an issue where AnchorInfo was miscalculated hen controls scaled on higher DPI settings and thus location may be calculated incorrect.
  • Addresses an issue in the AspNetEnforceViewStateMac regkey logic.

1 Windows Presentation Foundation (WPF)

Getting the Update

The Cumulative Update Preview is available via Windows Update and Microsoft Update Catalog.

Customers using Windows 11, version 22H2, you will now find .NET Framework updates on the Settings > Windows Update > Advanced options > Optional updates page.

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+ versions.

Product Version Cumulative Update
Windows 11, version 22H2
.NET Framework 3.5, 4.8.1 Catalog 5029718
Windows 11, version 21H2 5029848
.NET Framework 3.5, 4.8 Catalog 5029715
.NET Framework 3.5, 4.8.1 Catalog 5029717
Windows 10, version 22H2 5029847
.NET Framework 3.5, 4.8 Catalog 5029714
.NET Framework 3.5, 4.8.1 Catalog 5029716


Previous Monthly Rollups

The last few .NET Framework Monthly updates are listed below for your convenience:

1 comment

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  • Dhanraj D 0

    Hi Salini Agarwal,

    Could you let us know when this same page will be up for “.NET Framework September 2023 Security and Quality Rollup Updates” ?


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