Sahih Muslim 5940
صحيح مسلم#5940SahihAbu Huraira reported Allah's Messenger (ﷺ) as saying:I shall be pre-eminent amongst the descendants of Adam on the Day of Resurrection and I will be the first intercessor and the first whose intercession will be accepted (by Allah)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 43:3