Software Engineering Institute

Microsoft Office file format converter is a component that converts legacy Microsoft Office documents into newer file formats. Microsoft Office Isolated Conversion Environment (MOICE), which is intended to increase the security of Microsoft Office, uses this capability. The Microsoft Office file format converter contains a memory corruption vulnerability.

By convincing a user to open a specially-crafted Office document, a remote, unauthenticated attacker may be able to execute arbitrary code with the privileges of the user.

Apply an update

This issue is addressed in Microsoft Security Bulletin MS14-017. Please also consider the following workarounds:

Use the Microsoft Enhanced Mitigation Experience Toolkit

The Microsoft Enhanced Mitigation Experience Toolkit (EMET) can be used to help prevent exploitation of this vulnerability. CERT/CC has created a video tutorial for setting up EMET 3.0 on Windows 7. Note that platforms that do not support ASLR, such as Windows XP and Windows Server 2003, will not receive the same level of protection that modern Windows platforms will.