MS07-050: Vulnerability in Vector Markup Language could allow remote code execution
This security update resolves a privately reported vulnerability in the Vector Markup Language (VML) implementation in Windows. The vulnerability could allow remote code execution if a user viewed a specially crafted Web page using Internet Explorer. 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.
The security update is rated critical for supported releases of Internet Explorer 5.01, Internet Explorer 6, and Internet Explorer 7.
Microsoft recommends that customers apply the update immediately.