An exploitable local privilege escalation vulnerability exists in GOG Galaxy 2.0.46. Due to insufficient folder permissions, an attacker can hijack the %ProgramData%\GOG.com folder structure and change the GalaxyCommunication service executable to a malicious file, resulting in code execution as SYSTEM.
https://www.youtube.com/watch?v=Bgdbx5TJShI
https://secure77.de/gog-galaxy-cve-2022-31262/