Scientists claim the flaw means that stolen cards can be triggered to work without needing the real PIN, and say banks may need to rewrite the security software around the system. Mozilla today acknowledged that it had falsely accused a developer of infecting a Firefox add-on with attack code. Type: Vulnerability. Microsoft Windows TCP/IP implementation is prone to a remote code-execution vulnerability; fixes are available. These worms, also known as infectious computer programmes, are malicious programmes which after being released can spread throughout networks without human control, stealing or erasing hard drive data, interfering with pre-installed programmes and slowing, even crashing, home and work computers. Company says it is investigating a publicly published exploit code that allegedly could lead to computers running versions 6 or 7 of the browser getting compromised.