Last microcode version 20140430 contains the workaround for the IvyBridge-EX and -EP issue talked in the meeting. Now the issue was root caused and the fix is contained in the latest microcode version 20140624 below: https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=23984 This version also contains fixes for Haswell Client.
