GOG Galaxy 1.2.67 Improper Privilege Management Vulnerability
In GOG Galaxy 1.2.67, there is a service that is vulnerable to weak file/service permissions: GalaxyClientService.exe.
The information has been provided by Fatih Çelik
The original article can be found at:https://www.gog.com/galaxy
An attacker can put malicious code in a Trojan horse GalaxyClientService.exe. After that, the attacker can re-start this service as an unprivileged user to escalate his/her privileges and run commands on the machine with SYSTEM rights.
GOG Galaxy 1.2.67