not watered probably since Feb....
it looks bleak but there are two solid strands that seem firm....
does it have any hope of recovery?
Try watering it with some distilled water + ‘great white’. It’s brought back seemingly dead stuff for me many times. I get it from Amazon, has a giant shark on the container.
They’re amazingly tough. I’ve brought many back from the brink.
Water, but let dry out between. Re-pot with a Cactus Mix if you can. It can survive in a less sunny spot but while recovering, give it a bright room to live in, with indirect light - not blazing sun all day.
Good luck!