MS07-045: Cumulative security update for IE
This critical security update resolves three privately reported vulnerabilities. These vulnerabilities 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 and Internet Explorer 6 Service Pack 1. For Internet Explorer 6 for supported versions and editions of Windows XP Home and Windows XP Professional, the security update is also rated critical, otherwise it is rated moderate for other supported operating systems. For Internet Explorer 7 for supported versions and editions of Windows XP and Windows XP Professional, and Internet Explorer 7 in Windows Vista, the security update is rated Important, otherwise it is rated low.
Microsoft recommends that customers apply the update immediately.