Improvements and fixes
This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
- Addresses an issue in which all guest virtual machines running Unicast NLB fail to respond to NLB requests after the virtual machines restart.
- Security updates to Windows Media Player, Microsoft Graphics Component, Windows Datacenter Networking, Windows Storage and Filesystems, Windows Kernel, and Microsoft JET Database Engine.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Known issues in this update
After installing this update, users may not be able to use the Seek Bar in Windows Media Player when playing specific files. This issue does not affect normal playback.
|This issue is resolved in KB4471322.|