CVE-2026-21987 Oracle VM VirtualBox本地权限提升漏洞

# CVE-2026-21987 Oracle VM VirtualBox PoC (Conceptual) # This is a conceptual proof-of-concept for demonstration purposes only # Requires high privileges and local access to the target system import ctypes import os import sys def check_virtualbox_version(): """Check if VirtualBox version is vulnerable""" try: # Check VirtualBox installation path vbox_path = r"C:\Program Files\Oracle\VirtualBox" if os.path.exists(vbox_path): print(f"[+] VirtualBox installation found at: {vbox_path}") # In real attack, would check version against 7.1.14 and 7.2.4 return True return False except Exception as e: print(f"[-] Error checking VirtualBox: {e}") return False def exploit_vulnerability(): """ Conceptual exploitation steps for CVE-2026-21987: 1. Gain high privilege access to system with VirtualBox 2. Identify VirtualBox Core component vulnerability 3. Craft malicious input to trigger privilege escalation 4. Escape VM isolation to execute code on host """ print("[*] This PoC is for educational purposes only") print("[*] Exploitation requires:") print(" - Local access to target system") print(" - High privilege account (PR:H)") print(" - VirtualBox 7.1.14 or 7.2.4 installed") # Note: Actual exploitation code would target specific # memory corruption or logic flaw in VirtualBox Core return False if __name__ == "__main__": print("CVE-2026-21987 VirtualBox Local Privilege Escalation PoC") print("=" * 60) check_virtualbox_version()