{"cve":"CVE-2019-15511","nvd":{"published":"2019-11-21T18:15:11.040","modified":"2026-06-17T02:20:31.057","status":"Modified","description":"An exploitable local privilege escalation vulnerability exists in the GalaxyClientService installed by GOG Galaxy. Due to Improper Access Control, an attacker can send unauthenticated local TCP packets to the service to gain SYSTEM privileges in Windows system where GOG Galaxy software is installed. All GOG Galaxy versions before 1.2.60 and all corresponding versions of GOG Galaxy 2.0 Beta are affected.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-306"],"references":["https://cqureacademy.com/cqure-labs/cqlabs-cve-2019-15511-broken-access-control-in-gog-galaxy","https://support.gog.com/hc/en-us/articles/360025458833-GOG-GALAXY-2-0-updates-and-known-issues","https://cqureacademy.com/cqure-labs/cqlabs-cve-2019-15511-broken-access-control-in-gog-galaxy","https://support.gog.com/hc/en-us/articles/360025458833-GOG-GALAXY-2-0-updates-and-known-issues"],"products":["gog:galaxy"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2019-15511","score":0.00749,"percentile":0.54939,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}