CVE-2026-40381 Azure Connected Machine Agent权限提升漏洞

import os import sys # Proof of Concept (Conceptual) for CVE-2026-40381 # This script simulates checking for write access in the Agent directory. # Actual exploitation would involve placing a malicious payload. def check_vulnerability(): # Common installation path for Azure Connected Machine Agent agent_path = "C:\Program Files\AzureConnectedMachineAgent" print(f"[*] Checking path: {agent_path}") if not os.path.exists(agent_path): print("[-] Target directory not found. System may not be vulnerable.") return # Check if current user has write permissions (Simulation of access control flaw) test_file = os.path.join(agent_path, "poc_test.txt") try: with open(test_file, 'w') as f: f.write("Vulnerability Test") print("[+] SUCCESS: Write access confirmed!") print("[+] An attacker could replace a DLL or config file here to escalate privileges.") # Clean up os.remove(test_file) except PermissionError: print("[-] FAILED: No write access. System appears patched.") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": check_vulnerability()