The victory lifted the Caribbean side’s rating to 78, just ahead of the Tigers’ 77.
Bangladesh had earlier overtaken West Indies in July after beating Sri Lanka in the second ODI, but the Shai Hope-led side reclaimed the spot with their first ODI win over Pakistan since 2019.
The loss also saw Pakistan drop to No.5, allowing Sri Lanka to climb to No.4.
India, New Zealand, and Australia continue to occupy the top three positions.
The Board of Control for Cricket in India (BCCI) has officially lodged a complaint with the ICC against Pakistan players Haris Rauf and Sahibzada Farhan for their on-field gestures during the Asia Cup Super Fours clash in Dubai last Sunday.
Jaker Ali captained Bangladesh in their Super Four match against India in Dubai on Wednesday, filling in for the injured Litton Das. Bangladesh lost the match by 41 runs. Litton had suffered a back strain during practice on Monday, ruling him out of the game.