Fixes the following issue:
If forms authentication is enabled in a nondefault (extended) zone, users can't get permissions to edit Office Web Apps Server (WAC) documents that are granted through a group membership.
The global version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Article ID: 3114837 - Last Review: ಜನ 20, 2017 - Revision: 2
Microsoft SharePoint Server 2013 Service Pack 1