CVE-2026-32220 Windows VBS Enclave安全绕过漏洞

/* * PoC Code for CVE-2026-32220 * This is a conceptual demonstration of the access control bypass. * It simulates the interaction with the VBS Enclave. */ #include <windows.h> #include <stdio.h> // Simulated function representing the vulnerable Enclave API BOOL VulnerableEnclaveAPI(LPVOID inputBuffer, DWORD size) { // In the vulnerable version, access control checks might be skipped // or bypassable for specific high-privileged contexts. printf("[*] Attempting to access restricted VBS Enclave resource...\n"); // Simulate bypassing the security check // In a real exploit, this would involve specific memory layout or API sequence return TRUE; } int main() { printf("[+] CVE-2026-32220 PoC Trigger\n"); // Prerequisite: High privileges (PR:H) are required if (!IsUserAnAdmin()) { printf("[-] Error: Administrative privileges required.\n"); return 1; } // Trigger the vulnerability if (VulnerableEnclaveAPI(NULL, 0)) { printf("[+] Successfully bypassed VBS Enclave access control.\n"); printf("[+] Security feature bypassed (Integrity Impact: High).\n"); } else { printf("[-] Failed to exploit.\n"); } return 0; }