OH NO!
Guess I better stop using the Internet then
Internet Explorer/Windows get's far too much attention about these security flaws, when the real culprit is the internet itself. I mean, it's pretty difficult for someone to hack into your PC if the modem ain't plugged in (I'm just assuming this by the way).
Also, this exploit actually requires you to visit a webpage containing this malicious exploit for it to work. SO, if you are only browsing commercial websites you MAY be fine.
On the other hand if you are making regular trips to astlavista linked sites or warez sites, then I suppose the IE and Windows developers never had those sites in mind when doing security testing.
Of course if there is some loner out there, that's running a website and setting up an exploit, or perhaps a group of them got together to see what they can hack then I only have the following to say: