CYBER SECURITY COMPANY Secunia has warned us of a Spam they have received that attempts to exploit a known vulnerability in Internet Explorer.A test to find out if your PC is vulnerable or not can be found here
The company says that the hole in IE is significant because it, "allows anyone with limited IT skills to exploit the vulnerability
A number of security issues have been identified in Microsoft® Internet Explorer that could allow an attacker to compromise your Microsoft Windows®-based systems and then take a variety of actions. For example, an attacker could run programs on a computer used to view the attacker's Web site. This vulnerability affects computers that have Microsoft® Internet Explorer installed. (You do not have to be using Internet Explorer as your Web browser to be affected by this issue.) You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.
Source : The Inquirer