A server patch is an update released by software vendors to fix bugs, improve performance, or address security vulnerabilities in server operating systems or applications. Applying patches is a critical part of server maintenance, as unpatched servers can become targets for cyberattacks exploiting known flaws. Patches may be distributed as part of regular updates or as emergency fixes for newly discovered threats. IT administrators are responsible for testing and deploying patches promptly to minimize downtime and ensure the continued security and stability of server environments. Effective patch management helps organizations protect sensitive data and maintain compliance with industry regulations.