Microsoft Internet Explorer CAttrArray Use-After-Free Remote Code Execution Vulnerability

ID ZDI-16-159
Type zdi
Reporter 003
Modified 2016-06-22T00:00:00


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 usage of CAttrArray objects. By manipulating a document's elements an attacker can force a CAttrArray object in memory to be reused after it has been freed. An attacker can leverage this vulnerability to execute code under the context of the current process.