Sahih Muslim 4548
صحيح مسلم#4548SahihIt is narrated by Ibn 'Umar that a woman was found killed in one of these battles; so the Messenger of Allah (ﷺ) forbade the killing of women and children
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: 32:29