Hope you are aware of the security flaw found in IE7 last week on December 16th.
Microsoft has released a security patch which could be downloaded and installed on the following link.
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS08-078 which was regarding the Security issues that has been identified which could allow an attacker to compromise a computer running Microsoft Internet Explorer Version 7 and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, please restart your computer.
Hope it helps
Fauzi ~ 4Z
Wish you Happy New Year 2009