An exploit in standard parlance is a program that can get control of another program, not just crash it. Crashing a program is known as producing a proof-of-concept. It's the difference between screaming "Haberdashery!" at someone until they go away and convincing them with reasoned argument.

Move over dancery and hateration. Thanks to Dave, I'm adding "Haberdashery!" to my general vocabulary.

Dave Aitel: "Haberdashery!"