A method includes determining whether the exception handling frames on the stack are uncorrupt prior to execution of an exception handler dispatcher. Upon a determination that the exception handling frames on the stack are uncorrupt, the method further includes allowing the execution of the exception handler dispatcher to proceed. Conversely, upon a determination that the exception handling frames on the stack are corrupt, protective action is taken to prevent the malicious code on the host computer system from exploiting and/or damaging the host computer system.