July 11, 2017 KB4025336 (Monthly Rollup) Windows 8

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
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.

More Information about the iSCSI issue

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.

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