Note This release also contains updates for Windows 10 Mobile (OS Build 15063.1324) released September 11, 2018.
Improvements and fixes
This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
- Security updates to Internet Explorer, Microsoft Edge, Microsoft scripting engine, Microsoft Graphics Component, Windows media, Windows Shell, Device Guard, Windows datacenter networking, Windows kernel, Windows hyper-V, Windows virtualization and kernel, Microsoft JET Database Engine, Windows MSXM, and Windows Server.
If you installed earlier updates, only the new fixes in this package will be downloaded and installed on your device.
For more information about the resolved security vulnerabilities, see the Security Update Guide.
Windows Update Improvements
Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.
Known issues in this update
|All Guest Virtual Machines running Unicast NLB fail to respond to NLB requests after the Virtual Machines restart.||This issue is resolved in KB4457141.|
After you install the August Preview of Quality Rollup or September 11, 2018 .NET Framework update, instantiation of SqlConnection can throw an exception. For more information about this issue, see the following article in the Microsoft Knowledge Base:
4470809 SqlConnection instantiation exception on .NET 4.6 and later after August-September 2018 .NET Framework updates
|Microsoft is working on a resolution and will provide an update in an upcoming release.|