Sahih Muslim 988
صحيح مسلم#988SahihSalim narrated it from his father ('Abdullah b. Umar) that the Messenger of Allah (ﷺ) said:When women ask permission for going to the mosque, do not prevent them
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: 4:150