CreateFile over USB HID device fails with Access Denied (5) since Windows 10 1809

CreateFile over USB HID device fails with Access Denied (5) since Windows 10 1809

By : Sergey
Date : November 22 2020, 04:01 AM
I hope this helps . The fix is in this windows update released today (March 1, 2019).
code :

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Access denied when Called CreateFile()

Access denied when Called CreateFile()

By : user2906122
Date : March 29 2020, 07:55 AM
To fix this issue When called CreateFile() function it returns an error code 0x5, which means access denied. Can anyone help with this issue?
code :
ConnectionOptions connection = new ConnectionOptions();

//just username, without domain name, otherwise, a "RPC is Unavaliable." exception will be thrown.
connection.Username = "testUser";

connection.Password = "testPassword";

//Allow privilege
connection.EnablePrivileges = true;

connection.Impersonation = ImpersonationLevel.Delegate;

connection.Authentication = AuthenticationLevel.Call;

//Neither ntdlmdomain or kerberoes, otherwise, a "Invalid Parameter." exception will be thrown.
connection.Authority = "ntlmdomain:MYDOMAIN";

//IP Address or host full name.
ManagementScope scope = new ManagementScope("\\\\myIPAddress\\root\\CIMV2", connection);


ManagementClass classInstance = new ManagementClass(scope,new ManagementPath("Win32_Process"), null);

ManagementBaseObject inParams = classInstance.GetMethodParameters("Create");

//Change it to your own execute file path
inParams["CommandLine"] = "myExecuteFilePath";

ManagementBaseObject outParams = classInstance.InvokeMethod("Create", inParams, null);
Denied GENERIC_READ access to USB device, granted GENERIC_WRITE with CreateFile()

Denied GENERIC_READ access to USB device, granted GENERIC_WRITE with CreateFile()

By : Emzo Abjandadze
Date : March 29 2020, 07:55 AM
Any of those help If the keyboard has functions that don't fit well in a normal keyboard class, it may very well expose multiple device instances, one which encompasses the normal keyboard behavior, and one for the fancy stuff.
And one of the instances could well be write-only.
Send IOCTL to Windows device driver - CreateFile fails

Send IOCTL to Windows device driver - CreateFile fails

By : user3810978
Date : March 29 2020, 07:55 AM
I wish this helpful for you Try it my way. I'm using Setup API to enumerate all USB active devices in the system and get paths. That way you can find out whether it's the path or other arguments that CreateFile doesn't like.
I'll add some comments a bit later, if anyone's interested.
code :
    if(hDevInfo == INVALID_HANDLE_VALUE)
        return ERR_FAIL;

    std::vector<SP_INTERFACE_DEVICE_DATA> interfaces;

    for (DWORD i = 0; true; ++i)
        SP_DEVINFO_DATA devInfo;
        devInfo.cbSize = sizeof(SP_DEVINFO_DATA);
        BOOL succ = SetupDiEnumDeviceInfo(hDevInfo, i, &devInfo);
        if (GetLastError() == ERROR_NO_MORE_ITEMS)
        if (!succ) continue;

        ifInfo.cbSize = sizeof(SP_INTERFACE_DEVICE_DATA);
        if (TRUE != SetupDiEnumDeviceInterfaces(hDevInfo, &devInfo,  &(_DEVINTERFACE_USB_DEVICE), 0, &ifInfo))
            if (GetLastError() != ERROR_NO_MORE_ITEMS)

    std::vector<SP_INTERFACE_DEVICE_DETAIL_DATA*> devicePaths;
    for (size_t i = 0; i < interfaces.size(); ++i)
        DWORD requiredSize = 0;
        SetupDiGetDeviceInterfaceDetail(hDevInfo, &(interfaces.at(i)), NULL, NULL, &requiredSize, NULL);
        assert (data);
        data->cbSize = sizeof(SP_INTERFACE_DEVICE_DETAIL_DATA);

        if (!SetupDiGetDeviceInterfaceDetail(hDevInfo, &(interfaces.at(i)), data, requiredSize, NULL, NULL))
Access denied on CreateFile in user folder

Access denied on CreateFile in user folder

By : Trajano Simão
Date : March 29 2020, 07:55 AM
I wish this help you Well the problem is that target process needs to have SeImpersonateUser privilege, available only in SYSTEM processes by default.
When the thread is impersonated, because the process hasn't the required privilege, the api will succeed but actual level will be Delegate instead of Impersonate and CreateFile fails because of this.
Access Denied using CreateFile from Windows API

Access Denied using CreateFile from Windows API

By : Miss Looletta
Date : March 29 2020, 07:55 AM
Does that help You must prefix the path with the string \\?\ in order to bypass the MAX_PATH limitation. This is documented in the CreateFile MSDN information where it states:
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