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 that may cause a memory leak on SMB servers after installing KB4056897 or any other recent monthly update. This leak may occur when the requested path traverses a symbolic link, a mount point, or a directory junction and the registry key is set to 1: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\LanManServer\Parameters\EnableEcp
- Addresses an issue that may cause an error when connecting to a Remote Desktop server. For more information, see CredSSP updates for CVE-2018-0886.
- Security updates to Internet Explorer, Windows apps, Windows kernel, Microsoft Graphics Component, Windows storage and filesystems, HTML help, and Windows Hyper-V.
For more information about the resolved security vulnerabilities, see the Security Update Guide.
Known issues in this update
|A stop error occurs on computers that don't support Streaming Single Instructions Multiple Data (SIMD) Extensions 2 (SSE2).||Upgrade your machines with a processor that supports SSE2 or virtualize those machines.|