Microsoft will release a patch on Monday for older versions of Internet Explorer browser. The vulnerability is present in IE 6, 7 and 8, is a memory corruption issue. It can be exploited by an attacker via a drive-by download, a term for loading a website with attack code. Microsoft released a quick fix for the issue earlier this month, but did not have a more permanent patch ready when it released its monthly batch of patches last Tuesday. The company will occasionally release an emergency patch if the software vulnerability is considered a high risk.”]