Technical Information

Brief overview of the risk:
This security update resolves four privately reported vulnerabilities in Microsoft Office. The most severe vulnerabilities could allow remote code execution if a user opens or previews a specially crafted RTF e-mail message.
Detailed Information on the risk:

A remote code execution vulnerability exists in the way that Microsoft Office Word parses rich text data. An attacker who successfully exploited this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

Further information on this exploit is available at : MS10-056