This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
- Addresses issue where using smart cards on a Windows Terminal Server system may cause excessive memory usage.
- Security updates to Internet Explorer, Microsoft Scripting Engine, Microsoft Edge, Windows Graphics, Windows Kernel, Windows Datacenter Networking, and Windows SMB Server.
If you installed earlier updates, only the new fixes contained 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 Client Improvement
Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability. It will only be offered to devices that haven't installed the most recent updates.