July 11, 2017—KB4025336 (Monthly Rollup)

Applies to: Windows 8.1Windows Server 2012 R2

Improvements and fixes


This security update includes improvements and fixes that were a part of update KB4022720 (released June 27, 2017) and resolves the following issues:

  • Addressed issue called out in KB4022720 where Internet Explorer 11 may close unexpectedly when you visit some websites.
  • Addressed issue that causes .jpx and .jbig2 images to stop rendering in PDF files.
  • Security updates to Windows kernel, ASP.NET, Internet Explorer 11, Windows Search, Windows Storage and Files Systems, Datacenter Networking, Windows Virtualization, Windows Server, Windows shell, Microsoft NTFS, Microsoft PowerShell, Windows kernel-mode drivers, and Microsoft Graphics Component.

For more information about the security vulnerabilities resolved, please refer to the Security Update Guide.

More Information

Important

After installing the security updates for CVE-2017-8563, administrators need to set registry key LdapEnforceChannelBinding to enable the fix for the CVE. For more information about setting the registry key, see Microsoft Knowledge Base article 4034879

Known issues in this update


Symptom Workaround
After installing KB4025333 powershell may fail with a "Method not found" error (if you didn't have KB3000850 installed)

This issue has been resolved by KB4038792.

If an iSCSI target becomes unavailable, attempts to reconnect will cause a leak. Initiating a new connection to an available target will work as expected. Microsoft is working on a resolution and will provide an update in an upcoming release. 
Japanese IME may hang in certain scenarios. Install KB2962409.

 

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 4025336

Prerequisites


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