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
|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.