Paris-based Vupen Security hacked Microsoft’s Internet Explorer 9 (IE9) yesterday at “Pwn2Own,” making it two browsers busted in two days at the annual contest. Google patched Chrome to fix two vulnerabilities that a long-time contributor to its bug bounty program won $60,000. Google issued a new edition of Chrome 17 early Thursday, less than 24 hours after a proxy for Sergey Glazunov demonstrated the exploits to the company’s security team at CanSecWest, the Vancouver, British Columbia conference.”]