Microsoft's Internet Explorer contains a bug, that's revealing the user's browsing habbits to attackers.
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The vulnerability has been discovered by Michael Caballero, who has posted his findings within this blog article. The bug occurs when a page is loaded with the malicious HTML object tag in combination with the compatibility mode meta tag.
Caballero has set up a demo page here [works only in Internet Explorer]. A demo video of the attack is also embedded below. (via, via)
(Source: YouTube)