How Vulnerable Windows Users Are by Update
Here is how vulnerable Windows users are by update. When you disable updates, how long you go without updating your system determines how vulnerable you become.
Determining your Windows version

Here is how you determine the windows verison and BUILD Number.
You can also see it display in systeminfo

Checking how many vulnerabilities your version has

Source: https://www.cvedetails.com/version/1824209/Microsoft-Windows-11-24H2-10.0.26100.1742.html
Check the website https://www.cvedetails.com/product-search.php?vendor_id=0&search=Windows and look up your version of windows.
You will see that typically the older a version the more exploits it will have. Not all exploits worry me, but the notiable columns to pay attention to are Code Execution and Privilege escalation.
Conclusion
Instead of a blanket statement of “Update or you get are a security risk”, you can now look at your version and determine how big or small of risk you are taking. \