What’s Vulnerable › Vulnerabilities

CVE-2023-50914

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-30 · updated 2026-06-17
• Weakness: CWE-279

Description

A Privilege Escalation issue in the inter-process communication procedure from GOG Galaxy (Beta) 2.0.67.2 through v2.0.71.2 allows authentictaed users to change the DACL of arbitrary system directories to include Everyone full control permissions by modifying the FixDirectoryPrivileges instruction parameters sent from GalaxyClient.exe to GalaxyClientService.exe.

Affected products

• GOG.COM GOG Galaxy: from 2.0.67.2 through v2.071.2

References

• https://github.com/anvilsecure/gog-galaxy-app-research
• https://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50914%20-%20LPE.md
• https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog
• https://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/
• https://github.com/anvilsecure/gog-galaxy-app-research
• https://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50914%20-%20LPE.md
• https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog
• https://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/

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