August 8, 2017—KB4034672 (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 a LUN connection that was received after the buffer allocation during iSCSI statistic collection overflowed the buffer and caused error 0x19. A UI issue that hides the iSCSI targets will be addressed in an upcoming release.
• Security updates to Windows Server, Microsoft Windows Search Component, Volume Manager Driver, Common Log File System Driver, Microsoft Windows PDF Library, Microsoft JET Database Engine, Windows kernel-mode drivers, and Windows Hyper-V.
  For more information about the resolved security vulnerabilities, see the Security Update Guide.

Known issues in 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 4034672.

Prerequisites

You must have the following update installed:2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update: April 2014