The vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system.
Execute arbitrary code
Cisco AnyConnect Secure Mobility Client for Windows releases earlier than Release 4.9.00086
Refer to Cisco advisory for the complete list of affected products and their respective patches.