This security update resolves three privately reported vulnerabilities in Microsoft Office. The vulnerabilities could allow remote code execution if a specially crafted file is opened in an affected edition of Microsoft Office 2007. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
Malicious attacks have consistently been launched on weak points in the supply chain. Like all attacks, these will evolve into more advanced forms. Software development, with multiple phases that could be placed at risk, is particularly vulnerable.