September 12, 2017—KB4038786 (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:

• Addressed issue where the WordPad application can sometimes crash on launch. The was a known issue first reported in KB4025337.
• Re-release of MS16-087- Security update for Windows print spooler components.
• Security updates to Microsoft Graphics Component, Windows kernel-mode drivers, Windows shell, Microsoft Uniscribe, Microsoft Windows PDF Library, Windows TPM, Windows Hyper-V, Windows kernel, and the Windows DHCP Server.
  For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.

Known issues in this update

Microsoft is not currently aware of any issues with this update.

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 informationFor a list of the files that are provided in this update, download the file information for update 4038786.