Intrusion Prevention

MS.Office.mso.dll.Use.Afer.Free

Description

This indicates an attack attempt to exploit a Memory Corruption vulnerability in Microsoft Office.
The vulnerability is due to improper handling of certain objects when the vulnerable software attempts to access a specially crafted MS Office file. An attacker can exploit this to execute arbitrary code within the context of the logged in user via a crafted office file.

Affected Products

Microsoft Word 2007 Service Pack 3(3115195)
Microsoft Office 2010 Service Pack 2 (32-bit editions)(3115198)
Microsoft Office 2010 Service Pack 2 (64-bit editions)(3115198)
Microsoft Word 2010 Service Pack 2 (32-bit editions)(3115243)
Microsoft Word 2010 Service Pack 2 (64-bit editions)(3115243)
Microsoft Word 2013 Service Pack 1 (32-bit editions)(3115173)
Microsoft Word 2013 Service Pack 1 (64-bit editions) (3115173)
Microsoft Word 2013 RT Service Pack 1(3115173)
Microsoft Office 2016 (32-bit edition)(3115144)
Microsoft Office 2016 (64-bit edition)(3115144)
Microsoft Word 2016 (32-bit edition)(3115182)
Microsoft Word 2016 (64-bit edition)(3115182)
Microsoft Word for Mac 2011(3165796)
Microsoft Word 2016 for Mac(3165798)
Microsoft Office Compatibility Pack Service Pack 3(3115194)

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
http://technet.microsoft.com/security/bulletin/MS16-070

CVE References

CVE-2016-0025