This indicates an attack attempt against a Buffer Overflow vulnerability in Corel WordPerfect.
The vulnerability is caused by an error in the application while handling crafted WordPerfect documents. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted WordPerfect file.
Corel WordPerfect Office X6 16.x
System Compromise: Remote attackers can execute arbitrary code in the context of the affected application.
Currently we are unaware of any vendor supplied patch for this issue.