It is disabled by default[1] (meaning you can't login as it), this vulnerability appears to enable the root user without setting a password. If the root user ha

It is disabled by default[1] (meaning you can't login as it), this vulnerability appears to enable the root user without setting a password. If the root user has already been enabled it doesn't work. Anyone who does this should probably set a password for now and then disable the root user account once it has been patched. [1] https://support.apple.com/en-us/HT204012 https://support.apple.com/en-us/HT204012