Wow! Just happened here this morning too. It logged me into someone else's account after logging me out of my own account. Can't believe there is no reply or comments about this. I was just hacked online less than one month ago and now I must wonder if this was part of it 😞
Thank you for posting to the Xfinity Forums to bring this to our attention. I can help investigate this and get it resolved ASAP. please send me a private message with your first and last name as it appears on your account? To send a private message, click on "ComcastChe" and then click "send a message."