This specific version (16.0.4266.1001) is vulnerable to known exploits like CVE-2018-0851

Many cracks require users to disable antivirus software to function, allowing malicious code to install itself without interference. Unpatched Vulnerabilities:

While the cracked version of Microsoft Office 2016 Pro Plus 16.0.4266.1001 VL X64 may seem like an attractive option, the risks and consequences associated with it far outweigh any perceived benefits. By choosing legitimate software options, you can ensure the security, stability, and integrity of your data, while also supporting the developers who create the software you use.

Cracked versions are often severed from Microsoft’s update servers. This leaves your computer vulnerable to "zero-day" exploits that legitimate patches would normally fix.

: Hackers can insert malicious code to create "backdoors," allowing them to spy on your activities or gain remote access to your computer. Disabled Security Features