This is way too broad of a title.<p>Title taken from their page:<p>> Local Privilege Escalation via MSI installer in SoftMaker Office / FreeOffice<p>I despise click bait.
A lot of these types of exploits are out there because of the ability to run elevated (system) custom actions in the MSI.<p>It is part of why MSFT says to vendors "Switch to MsiX".