Yes, this technique is sometimes used by malicious software in patching the vulnerability that was used to gain control of the host. Security and software compa

Yes, this technique is sometimes used by malicious software in patching the vulnerability that was used to gain control of the host. Security and software companies typically do not want to use benevolent worms to patch vulnerabilities, though. Autonomous code spreading itself and making changes to people's machines without permission is generally frowned upon.