Microsoft has released an update for SharePoint Foundation 2013

Microsoft has released an update for Microsoft SharePoint Foundation 2013. This update provides the latest fixes for SharePoint Foundation 2013. Additionally, this update contains stability and performance improvements.

Notes

This cumulative update package includes all the server component packages. Additionally, this cumulative update package updates only those components that are installed on the system.
A change in the package configuration was introduced after SharePoint Server 2013 was released. You must install this public update before you install later SharePoint updates.
Important When you install the cumulative update on a single-server SharePoint farm or on SharePoint servers that include Search Service Application topology roles, you must follow the steps that are mentioned on the following Microsoft website:
http://go.microsoft.com/fwlink/?LinkId=279911

  Update for Microsoft SharePoint Foundation 2013 (KB2768000)