Vulnerable shared semaphore

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<Windows.h>

HANDLE semaphore;


#define NAME "Local\\SemaphoreName"

int main() {


    semaphore = OpenSemaphore(NULL, TRUE, NAME);
    if (semaphore == NULL) {
        semaphore = CreateSemaphore(NULL, 3, 3, NAME);
    }


    if (semaphore == NULL)
        return EXIT_FAILURE;


    WaitForSingleObject(semaphore, INFINITE);

    printf("Window Opened\n\n");

    system("pause");

    ReleaseSemaphore(semaphore , 1 , NULL);
    CloseHandle(semaphore);

    return EXIT_SUCCESS;
}