Below is the location of the knowledge base article that contains the list of fixes in this update and also the location of it:
Note: This is a full installation msi. You can install this MSI on a new server or an existing server that runs the RTM version of Master Data Services. If you apply this to an existing server, you will need to update your MDS database by using Master Data Services Configuration Manager after you install the MSI. Open Configuration Manager, and click Upgrade Database to do this.
Master Data Services is a feature of the versions and editions of SQL Server listed in Setup Requirements (Master Data Services). Any computer where you install Master Data Services must be licensed accordingly. For more information, refer to the End User License Agreement (EULA).