CVE-2013-3120

Microsoft Internet Explorer 10 permite a atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (corrupción de memoria) a través de un sitio web especialmente diseñado, también conocido como "Vulnerabilidad de corrupción de memoria en Internet Explorer", una vulnerabilidad diferente a CVE-2013-3118 y CVE-2013-3125.

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 Selection objects. The issue lies in modification of the selection while design mode is enabled. By manipulating a document's elements an attacker can force a dangler pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.