You need to use the policy user/preferences. Note however this policy does not respect any limitations, so it will allow access to any user's settings (activate/deactivate).
See http://ez.no/doc/ez_publish/technical_manual/4_0/reference/modules/user/views/setting and http://ez.no/doc/ez_publish/technical_manual/4_0/reference/modules/user/views/preferences
