August 8, 2017—KB4034665 (Monthly Rollup)

Improvements and fixes

This security update includes improvements and fixes that were a part of update KB4025332 (released July 18, 2017) and resolves the following issues:

Security updates to Windows Hyper-V, Windows kernel-mode drivers, Microsoft JET Database Engine, Microsoft Windows PDF Library, Common Log File System Driver, Volume Manager Driver, Internet Explorer, Microsoft Windows Search Component, and Windows Server.

For more information about the resolved security vulnerabilities, see the Security Update Guide.

Known issues in this update

Symptom	Workaround
Japanese IME may hang in certain scenarios.	Install KB2960837.
The WordPad application can sometimes crash on launch after installing KB4025341.	Microsoft is working on a resolution and will provide an update in an upcoming release.

How to get this update

This update will be downloaded and installed automatically from Windows Update. To get the standalone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of the files that are provided in this update, download the file information for update 4034665.