Jami` at-Tirmidhi 844
جامع الترمذي#844Sahih(Another chain) that Ibn Abbas narrated:"The Prophet married Maimunah while he was a Muhrim
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Bashar Awad MaaroufSahih
Zubair Ali ZaiSahih
In-book reference: 9:37