This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Google Chrome. 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 static_cast. The issue lies in the ability to create an object that is a smaller size than it is treated after a static_cast. An attacker can leverage this vulnerability to execute code under the context of the current process.