The December 13, 2022 update for Windows 8.1, RT 8.1, and Windows Server 2012 R2 includes cumulative reliability improvements in .NET Framework 3.5.

1 Common Language Runtime (CLR) 2 Windows Management Infrastructure (WMI). More information. The following article provide information about supported .NET Framework versions for this Windows version. This includes the month and year of release, update replacement information, and help and support information for the update.

The September 12, 2023 update for Windows Server 2012 R2 includes cumulative security and reliability improvements in .NET Framework 3.5. We recommend that you apply this update as part of your regular maintenance routines.

The June 13, 2023 update for Windows Embedded 8.1 and Windows Server 2012 R2 includes security improvements in .NET Framework 3.5. We recommend that you apply this update as part of your regular maintenance routines.

The global version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC).

Summary. This update resolves a vulnerability in Microsoft .NET Framework that could cause denial of service when .NET Framework and .NET core components process XML documents incorrectly.

After you install the items above, we strongly recommend that you install the latest SSU. For Windows Server 2008 SP2, you must have the servicing stack update (SSU) that is dated July 12, 2022 or later installed.For more information about the latest SSU updates, see ADV990001 | Latest Servicing Stack Updates. If you use Windows Update, the latest SSU will be offered to you automatically if ...

The December 13, 2022 update for Windows Server 2012 includes cumulative reliability improvements in .NET Framework 3.5. We recommend that you apply this update as part of your regular maintenance routines.

Summary. This update resolves a vulnerability in Microsoft .NET Framework that could cause denial of service when .NET Framework and .NET core components process XML documents incorrectly.

The November 14, 2023 update for Windows Server 2012 R2 includes cumulative security and reliability improvements in .NET Framework 3.5. We recommend that you apply this update as part of your regular maintenance routines.