Today, we are releasing the August 2017 Security and Quality Rollup Update. This update applies to Windows 10 and Windows Server 2016.


There are no new security changes for the .NET Framework this month.

Quality and Reliability


Getting the Update

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

Windows 10

The .NET Framework improvements are included in the Windows 10 Monthly Update, which you can download for your Windows 10 version from the following table.

Windows Version .NET Version Rollup KB Security-only KB
Windows 10 Update 1703 (Creators Update) .NET Framework 3.5 and 4.7 4034674 N/A
Windows 10 Update 1607 (Anniversary Update)
Windows Server 2016
.NET Framework 3.5, 4.6.2 and 4.7 4034658 N/A
Windows 10 Update 1511 .NET Framework 3.5 and 4.6.1 4034660 N/A
Windows 10 Update 1507 .NET Framework 3.5 and 4.6 4034668 N/A

Docker Images

Docker images have not yet been updated with today’s release. This post will be updated when they have been published with the today’s updates.

Source: .NET Framework August 2017 Security and Quality Rollup | .NET Blog