CVE-2014-6344

Microsoft Internet Explorer 8 y 9 permite a atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (corrupción de memoria) a través de un sitio web manipulado, también conocido como 'vulnerabilidad de la corrupción de memoria de Internet Explorer.'

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the handling of arguments passed to the GetReplacedUrlImgCtxCookie function. By manipulating a document's elements an attacker can access data outside the bounds of an allocated buffer. An attacker can leverage this vulnerability to execute code under the context of the current process.