Advice Request Local Privilege Escalation

[shmu26]

What is local privilege escalation, with emphasis on the word "local"? Does it mean the attacker needs physical access to your system in order to do an exploit of this kind?
Is encrypting the disk effective against this exploit?

 

[Zartarra]

What is local privilege escalation, with emphasis on the word "local"? Does it mean the attacker needs physical access to your system in order to do an exploit of this kind?
Is encrypting the disk effective against this exploit?

In short: it means that a local account can be used to exploit certain rights and and gain access to your device.

A nice article and a better explanation can be found on: What Is Privilege Escalation and Why Is It Important?