This host is missing an important security update according to Microsoft Bulletin MS13-073.
Successful exploitation will allow remote attackers to corrupt memory and disclose sensitive information. Impact Level: Application
Apply the patch from below link, http://technet.microsoft.com/en-us/security/bulletin/ms13-073
Multiple flaws exists when processing XML data, which can be exploited to disclose contents of certain local files by sending specially crafted XML data including external entity references.
Microsoft Office 2011 on Mac OS X
Get the vulnerable file version and check appropriate patch is applied or not.