Her departure was announced Monday amid fresh revelations that she sent questions to Hillary Clinton's campaign in advance of a CNN debate and a CNN-TV One town hall.
In a statement, CNN said it was "completely uncomfortable with what we have learned about her interactions with the Clinton campaign while she was a CNN contributor."
CNN said it "never gave Brazile access to any questions, prep material, attendee list, background information or meetings in advance of a town hall or debate."