Read about this over at Valleywag.com. As the post says, a good explanation is at Electronista.com
For many users of Vista, its just another reason to not like it.
How does it apply to you, the casual user? It should convince you to insure your online safety. Use a alternate Browser like Firefox. Simply because its less of a target for exploits so far.
Make sure your MS updates are current. Practice good surfing, stay away from sites that may harbor porn, malicious ads and such. Make sure you have a reliable AntiVirus, AntiSpyware and Firewall program up.
And wait for the patch to fix the exploit.





