Pakistan, who won the first match by three wickets in Dubai for a 1-0 lead in the five-match series, brought in left-arm seamer Sohail Tanvir for Umar who is still not fully fit.
New Zealand were forced to sit out spearhead Kyle Mills who injured his groin and was replaced by Mitchell McClenaghan while Corey Anderson and Matt Henry were also in for Jimmy Neesham and Nathan McCullum.
The remaining matches are in Sharjah (December 14) and Abu Dhabi (December 17 and 19).
Teams:
Pakistan: Misbah-ul Haq (captain), Mohammad Hafeez, Ahmed Shehzad, Asad Shafiq, Younis Khan, Haris Sohail, Mohammad Irfan, Sarfraz Ahmed, Shahid Afridi, Sohail Tanvir, Wahab Riaz.
New Zealand: Kane Williamson (captain), Corey Anderson, Dean Brownlie, Anton Devcich, Matt Henry, Tom Latham, Mitchell McClenaghan, Adam Milne, Luke Ronchi, Ross Taylor, Daniel Vettori.
Umpires: Richard Illingworth (ENG) and Ahsan Raza (PAK)
Tv umpire: Joel Wilson (WIS)
Match referee: Roshan Mahanama (SRI)