September 11, 2018—KB4457140 (Security-only update)

Improvements and fixes

This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

Security updates to Windows media, Windows Shell, .NET Framework, Windows Hyper-V, Windows datacenter networking, Windows virtualization and kernel, Windows Kernel, Microsoft JET Database Engine, Windows MSXML, and Windows Server.

For more information about the resolved security vulnerabilities, see the Security Update Guide.

Known issues in this update

Symptom

Workaround

All Guest Virtual Machines running Unicast NLB fail to respond to NLB requests after the Virtual Machines restart.

This issue is resolved in KB4462931.

After installing this update, the Event Viewer may not show some event descriptions for network interface cards (NIC).

This issue is resolved in KB4489891.

How to get this update

This update is now available for installation through WSUS. To get the standalone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of files provided in this update, download the file information for update 4457140.