A new zero day vulnerability that resides in all versions of Internet Explorer has been spotted in the wild, Microsoft confirmed late Saturday. The vulnerability, which could allow remote code execution, is being used in "limited, targeted attacks," according to an advisory issued by Microsoft. While all versions of the web browser, IE 6 through 11, are affected by the vulnerability, attacks are currently targeting IE versions 9, 10 and 11, according to security firm Fire Eye, which first reported the flaw Friday. The attack leverages a previously unknown "use after free" vulnerability -- data corruption that occurs after memory...