Microsoft, this week has provided insights to its SharePoint Server 2013 process. What confused developers, wsas the release of the August Cumulative Update for SharePoitn 2013. This version of the update came with the caveat about having to install the July CU first. This lead to conclude that August CU wasn’t a cumulative update after all.
This was then corrected by the Microsoft MVP, Todd Klindt that the August CU is not cumulative. He wrote in his blog post that it does not include the patches from the July 2013 CU. To fix this, install SharePoint Server 2013 SP1, The July 2014 CU, then the August 2014 CU.
Read the rest of the post here: http://mcpmag.com/articles/2014/08/20/confusing-sharepoint-patch-process.aspx