How many points is ATTACK worth in Scrabble?

ATTACK is worth 12 points in Scrabble.

Is ATTACK a valid Scrabble word? Yes — 12 points

Yes, ATTACK is a valid Scrabble word worth 12 points.

Yes, ATTACK is a valid Words With Friends word worth 13 points.

ATTACK is a valid Scrabble US/CAN word worth 12 points:

A₁T₁T₁A₁C₃K₅

ATTACK is valid in Scrabble UK (World) —

A₁T₁T₁A₁C₃K₅

ATTACK is a valid Words With Friends word worth 13 points:

A₁T₁T₁A₁C₄K₅

You can make 18 words from attack according to the Scrabble US and Canada dictionary.