.NET Framework October 2017 Security and Quality Rollup

Rich Lander [MSFT]

Today, we are releasing the October 2017 Security and Quality Rollup.

The update applies to all supported Windows versions. It includes a known issue for Windows 10 1507 (see below).

Security

This release contains no new security updates.

Quality and Reliability

This release contains the following quality and reliability improvements.

WPF

  • WPF fails to load resources if two versions of the same assembly are loaded. [378607]
  • WPF consumes high % of CPU in Visual Studio when console session not active. [391184]
  • Visual Studio fails due to “Unable to load DLL ‘PenIMC.dll’” error. [452476]
  • Application crash due to call into DWrite. [453529]
  • TargetFrameworkName is null with mixed mode application. [425074]
  • Event leak with WPF application on touch screen monitors on Windows 10. [434946]
  • Rendering of WPF UI Elements is disabled in Windows Services. [497334]

Note: Additional information on these improvements is not available. The VSTS bug number provided with each improvement is a unique ID that you can give Microsoft Customer Support, include in StackOverflow commentsor use in web searches.

Getting the Update

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

Microsoft Update Catalog

You can get the update via the Microsoft Update Catalog. For Windows 10, .NET Framework updates are part of the Windows 10 Monthly Rollup.

Product Version Security and Quality Rollup KB
Windows 10 1703 (Creators Update) Catalog 4041676
Windows 10 1607 (Anniversary Update) Catalog 4041691
Windows 10 1507 Catalog 4042895
Windows 8.1 Windows RT 8.1 Windows Server 2012 R2 Catalog 4043767
.NET Framework 4.6, 4.6.1, 4.6.2, 4.7 4043763
.NET Framework 4.5.2 4040974
.NET Framework 3.5 4040981
Windows Server 2012 Catalog 4043769
.NET Framework 4.6, 4.6.1, 4.6.2, 4.7 4043762
.NET Framework 4.5.2 4040975
.NET Framework 3.5 4040979
Windows 7 Windows Server 2008 R2 Catalog 4043766
.NET Framework 4.6, 4.6.1, 4.6.2, 4.7 4043764
.NET Framework 4.5.2 4040977
.NET Framework 3.5.1 4040980
Windows Server 2008 Catalog 4043768
.NET Framework 4.6 4043764
.NET Framework 4.5.2 4040977
.NET Framework 2.0 4040978

Docker Images

The following Docker container images have been updated as part of this release.

Known Issues

Previous Monthly Rollups

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

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