5 seconds in google tells me that you can call Access with the "/compact" command line switch. Also, there's a KB article at support.microsoft.com that give further details.

Historically, malicious Office macros have been the equivalent of email’s phishing attempts, launching malware at the click of a user’s mouse. But Microsoft unexpectedly has reinstated VBA macros ...

After rolling back restrictions on internet macros in Office, Microsoft now says it is was a temporary change and that it will be bring back the ban on macros as the default for all users in future.