SQL>create table tmp$tab1 as
  2  select level a from dual connect by level <= 3
  3  /

Table created.

SQL>select * from tmp$tab1
  2  /
         A
----------
         1
         2
         3

SQL>declare
  2     cursor c is
  3             select *
  4                     from tmp$tab1;
  5     type t is table of c%rowtype;
  6     r c%rowtype;
  7     v t;
  8     v_isopen boolean;
  9     v_rowcount pls_integer;
10     v_found boolean;
11     v_notfound boolean;
12  begin
13     open c;
14     fetch c into r;
15     v_isopen := sql%isopen;
16     v_rowcount := sql%rowcount;
17     v_found := sql%found;
18     v_notfound := sql%notfound;
19     dbms_output.put_line('sql%isopen='||case when v_isopen is null then 'null' when v_isopen then 'true' else 'false' end);
20     dbms_output.put_line('sql%rowcount='||v_rowcount);
21     dbms_output.put_line('sql%found='||case when v_found is null then 'null' when v_found then 'true' else 'false' end);
22     dbms_output.put_line('sql%notfound='||case when v_notfound is null then 'null' when v_notfound then 'true' else 'false' end);
23  end;
24  /
sql%isopen=false
sql%rowcount=
sql%found=null
sql%notfound=null

PL/SQL procedure successfully completed.

SQL>select * from v$version
  2  /
BANNER                                                                               CON_ID
-------------------------------------------------------------------------------- ----------
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production              0
PL/SQL Release 12.2.0.1.0 - Production                                                    0
CORE    12.2.0.1.0      Production                                                                0
TNS for Linux: Version 12.2.0.1.0 - Production                                            0
NLSRTL Version 12.2.0.1.0 - Production                                                    0