Is CVE-2018-4049 actively exploited?

No active exploitation of CVE-2018-4049 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-4049 be exploited remotely?

No. CVE-2018-4049 requires local access to exploit.

What is the CVSS score of CVE-2018-4049?

CVE-2018-4049 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2018-4049

CWE-732Published: April 2, 2019· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

An exploitable local privilege elevation vulnerability exists in the file system permissions of GOG Galaxy's “Games” directory, version 1.2.48.36 (Windows 64-bit Installer). An attacker can overwrite executables of installed games to exploit this vulnerability and execute arbitrary code with elevated privileges.

NVD Source

Technical Analysis

CVE-2018-4049 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.