.NET Framework October 2023 Security and Quality Rollup Updates

Salini Agarwal

This week we released the October 2023 Security and Quality Rollup Updates for .NET Framework.

Security

The October Security and Quality Rollup Update does not contain any new security fixes. See September 2023 Security and Quality Rollup for the latest security updates.

Quality and Reliability

This release contains the following quality and reliability improvements.

ASP.NET
  • Addresses an issue with “System.ArgumentException: Illegal characters in path” in some ASP.Net MVC requests.
SqlClient
  • Addresses an issue with SQL event source telemetry.

Getting the Update

The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog.

**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, version 1507 and Windows Server 2016 versions and newer operating systems.

Product Version Cumulative Update
Windows 11, version 22H2 5031323
.NET Framework 3.5, 4.8.1 Catalog 5030651
Windows 11, version 21H2 5031225
.NET Framework 3.5, 4.8 Catalog 5030842
.NET Framework 3.5, 4.8.1 Catalog 5030650
Microsoft server operating system, version 22H2 5031605
.NET Framework 3.5, 4.8 Catalog 5030999
.NET Framework 3.5, 4.8.1 Catalog 5030998
Microsoft server operating system version 21H2 5031221
.NET Framework 3.5, 4.8 Catalog 5030999
.NET Framework 3.5, 4.8.1 Catalog 5030998
Windows 10, version 22H2 5031224
.NET Framework 3.5, 4.8 Catalog 5030841
.NET Framework 3.5, 4.8.1 Catalog 5030649
Windows 10, version 21H2 5031223
.NET Framework 3.5, 4.8 Catalog 5030841
.NET Framework 3.5, 4.8.1 Catalog 5030649
Windows 10 1809 (October 2018 Update) and Windows Server 2019 5031222
.NET Framework 3.5, 4.7.2 Catalog 5031005
.NET Framework 3.5, 4.8 Catalog 5031010
Windows 10 1607 (Anniversary Update) and Windows Server 2016
.NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2 Catalog 5031362
.NET Framework 4.8 Catalog 5031000

The following table is for earlier Windows and Windows Server versions.

Product Version Security and Quality Rollup
Windows Server 2012 5031227
.NET Framework 3.5 Catalog 5030160
.NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 Catalog 5031007
.NET Framework 4.8 Catalog 5031002
Windows Server 2012 R2 5031228
.NET Framework 3.5 Catalog 5029915
.NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 Catalog 5031008
.NET Framework 4.8 Catalog 5031003
Windows Embedded 7 and Windows Server 2008 R2 SP1 5031226
.NET Framework 3.5.1 Catalog 5029938
.NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 Catalog 5031006
.NET Framework 4.8 Catalog 5031001
Windows Server 2008 5031229
.NET Framework 2.0, 3.0 Catalog 5029937
.NET Framework 4.6.2 Catalog 5031006

 

Previous Monthly Rollups

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

2 comments

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  • Susan Bradley 0

    Could you document in this blog the rerelease of .net patches for October that left out September updates?

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