It can manipulate an unsuspecting human into giving them access to something that enables it to escape the sandbox
No. If OpenAI were being responsible and not criminally negligent, at the top of page 1 of the runbook would be "don't connect this to the actual Internet, even if the agent says Please."
A low probability thing when looking at how many human prisoners escape by talking a guard into just getting them out. And even lower probability when looking at truly high risk situations, I think.