Within 24 hours of its release, first IE7 flaw has been found. It is a kind of security vulnerability.
According to the news,
A vulnerability has been discovered in Internet Explorer, which can be exploited by malicious people to disclose potentially sensitive information.
Please use the test below, to see an example of how this vulnerability can be exploited, and also to determine whether or not your browser is vulnerable.
Your browser is vulnerable! The test retrieved content from news.google.com in the context of your browser.
This actually means that if you were logged into your bank account, any web site you are visiting would be able to retrieve confidential data from your bank. This could also be used to retrieve personal settings entered on sites like eBay or Paypal.