DBA_COL_PRIVS

SQL> DESC DBA_COL_PRIVS

 Name                                     Null?    Type

 ---------------------------------- --------------- ----------------------------
 GRANTEE                           NOT NULL          VARCHAR2(30)
 OWNER                               NOT NULL           VARCHAR2(30)
 TABLE_NAME                   NOT NULL          VARCHAR2(30)
 COLUMN_NAME               NOT NULL           VARCHAR2(30)
 GRANTOR                           NOT NULL          VARCHAR2(30)
 PRIVILEGE                          NOT NULL           VARCHAR2(40)
 GRANTABLE                                                    VARCHAR2(3)