So when people search for “ntquerywnfstatedata ntdlldll better,” they’re usually asking: Is there a safer, cleaner way to get the same information?

Unlike reading kernel memory directly or loading a driver, many WNF states are readable from a medium integrity process (standard user). This makes NtQueryWnfStateData a powerful tool for non-admin diagnostic tools.

By cutting out the overhead of the Windows subsystem ( kernel32.dll or advapi32.dll ), high-performance system utilities can poll or react to state changes with minimal latency.

The function returns one of the following NTSTATUS values: