A unnamed borough councillor is due before the standards committee today (Thursday) after an investigation found they had breached the council's code of conduct for members.
No other details have been released.
The Royal Borough standards committee will meet from 5.30pm at Maidenhead Town Hall in St Ives Road, Maidenhead.
Members will decide whether they agree with the outcome of the investigation conducted by the head of legal services Maria Lucas.
Top Ten Articles
The Met Office has issued a yellow alert for Windsor and Maidenhead, Slough and Wokingham, warning that rain moving eastwards across the south of the country may turn to snow in some places.