CVE-2020-11827 json
In GOG Galaxy 1.2.67, there is a service that is vulnerable to weak file/service permissions: GalaxyClientService.exe.
published 2020-07-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4167
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
In GOG Galaxy 1.2.67, there is a service that is vulnerable to weak file/service permissions: GalaxyClientService.exe. 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.
Patch / fix
- gog galaxy 1.2.67
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
gog.com
/galaxy
product, vendor-advisory
-
fatihhcelik.blogspot.com
/2020/04/gog-galaxy-desktop-app-local-privilege.html
third-party-advisory
Sources
- CVE List CVE-2020-11827
- NVD CVE-2020-11827
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