Export current state of the machine
secedit.exe /export /cfg C:\some-filename.inf
How to Reset All Local Security Policy Settings to Default in Windows
When finished, you can close the elevated command prompt if you like
secedit /configure /cfg %windir%\inf\defltbase.inf /db defltbase.sdb /verbose
Reset the computer to apply
Reference https://www.tenforums.com/tutorials/68588-reset-local-security-policy-settings-default-windows.html