Ntaccesscheck Jun 2026

) used to determine whether a security descriptor grants specific access rights to a client represented by an access token. It is the internal system call that underpins the documented Win32 AccessCheck function Function Overview NtAccessCheck

However, the Win32 API is essentially a translation layer. It sits atop the (or ntdll.dll ), which interfaces directly with the Windows Kernel ( ntoskrnl.exe ). NtAccessCheck is a native API function. ntaccesscheck

Invoke-WebRequest -Uri "https://live.sysinternals.com/ntaccesscheck.exe" -OutFile "C:\Tools\ntaccesscheck.exe" ) used to determine whether a security descriptor

While developers typically use the high-level Win32 AccessCheck API , NtAccessCheck is its underlying "native" counterpart located in ntdll.dll . 1. Functional Purpose ntaccesscheck

ntaccesscheck -u "DOMAIN\UserA" \\FileServer\HR\Salaries.xlsx