How do I cancel my Adobe CC subscription?

Try using a different device with a browser like Chrome or Firefox that accepts cookies and does not have script blockers.

Log-in to your PAID plan & click the Manage Plans link. 

Or pick up the phone M-F during normal business hours.

https://helpx.adobe.com/contact/phone.html

NOTE:  There is a 50% early termination fee for cancelling an annual subscription.  To avoid penalties, wait until your 12th month to cancel.

How do I Cancel my Subscription?
https://helpx.adobe.com/manage-account/using/cancel-subscription.html
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The TERMS you agreed to when you joined:
https://www.adobe.com/legal/subscription-terms.html

Try this

Be sure to remain signed in with your Adobe ID before accessing the link below
-you must also allow 'cookies' in your web browser for this to work
https://helpx.adobe.com/contact/support.html for chat or https://helpx.adobe.com/contact/phone.html
-click the chat icon at the bottom right of the page to open a chat session
-the chat icon looks like '3 dots inside a circle' at the lower right
-type AGENT into the chat window to connect directly to a person rather than the AI
Do be aware that Adobe's staffing is impacted by the virus, so wait times are long
.
Also: beware of answering anyone who sends you a private message
-click for more information about scammers https://tinyurl.com/10791730