8 vertices.
http://wiki.answers.com/Q/Who_many_vertices_in_a_c...

There are 8 points that are essential parts, the 8 corners. Each such point is called a vertex.
http://www.chacha.com/question/howmanyverticesa...

Cube vertices can be grouped into two groups of four, each forming regular tetrahedron. So, it has 8!
http://www.kgbanswers.com/howmanyverticesdoesa...

A cube is a three dimensional geometrical figure having equal lengths of all sides, as each of its faces is a square. There are eight vertices, twelve edges, and six faces in a cube
http://www.webanswers.com/science/howmanyvertice...
