KLA10600
Code execution vulnerability in Microsoft Office

Improper memory handling were found in Microsoft Office. By exploiting these vulnerabilities malicious users can execute arbitrary code. These vulnerabilities can be exploited remotely via a specially designed file.

Microsoft Office 2007 compatibility Pack Service Pack 3
Microsoft Office 2010 x86, x64 Service Pack 2
Microsoft Office 2013 x86, x64 Service Pack 1
Microsoft Office 2013 RT Service Pack 1

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)