How many points is EXEC worth in Scrabble?

EXEC is worth 13 points in Scrabble.

Is EXEC a valid Scrabble word? Yes — 13 points

Yes, EXEC is a valid Scrabble word worth 13 points.

Yes, EXEC is a valid Words With Friends word worth 14 points.

EXEC is a valid Scrabble US/CAN word worth 13 points:

E₁X₈E₁C₃

EXEC is valid in Scrabble UK (World) —

E₁X₈E₁C₃

EXEC is a valid Words With Friends word worth 14 points:

E₁X₈E₁C₄

You can make 4 words from exec according to the Scrabble US and Canada dictionary.