Sahih Muslim 5912
صحيح مسلم#5912SahihAbu Huraira reported Allah's Messenger (ﷺ) as saying:The vision of a Muslim which he sees or which is shown to him, and in the hadith transmitted on the authority of Ibn Mushir (the words are): "The pious dream is the forty-sixth part of Prophecy
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: 42:16