Sahih Muslim 2921
صحيح مسلم#2921SahihA'Isha reported that the Messenger of Allah (ﷺ) entered into the state of Ihram for Hajj Afrad
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: 15:130