A new KB article (790907 ) has been releases regarding application compatibility on Windows Server 2012 and Windows 8.
“…A compatibility update is a software update that improves the compatibility experience in Windows 8 and in Windows Server 2012. Microsoft regularly releases Windows compatibility updates to improve the overall user experience. This compatibility update is dated March 2013.…”
Source and download: http://support.microsoft.com/kb/2790907/en-us?sd=rss&spid=16526