CVE-2018-4048
No known exploitation. EPSS puts it in the 46th percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
Steps
Written by AI from the record- Check whether any Windows computers use the GOG Galaxy 1.2.48.36 64-bit installer or have its Desktop Galaxy Updater installed.
- Ask your IT provider or GOG support for a supported replacement or updated installer; no fixed version has been identified.
- Until guidance is available, remove the affected installer from shared devices and restrict who can sign in locally to affected computers.
- Review affected computers for unexpected changes to the Galaxy updater files or Temp folder permissions.
What it is
From the CVE record
An exploitable local privilege elevation vulnerability exists in the file system permissions of the `Temp` directory in GOG Galaxy 1.2.48.36 (Windows 64-bit Installer). An attacker can overwrite executables of the Desktop Galaxy Updater to exploit this vulnerability and execute arbitrary code with SYSTEM privileges.
In plain language
Written by AI from the recordGOG Galaxy 1.2.48.36 (Windows 64-bit Installer) has a flaw that can let someone already signed in to a computer take full control of it, so affected businesses should have IT review it.
Local privilege escalation in GOG Galaxy 1.2.48.36 (Windows 64-bit Installer) through insecure Temp-directory permissions allows a low-privileged user to overwrite Desktop Galaxy Updater executables and execute code as SYSTEM.
If you're affected
- Full Windows device takeover
- Business data exposure
- Security tool bypass
- Operational disruption
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.6% chance of exploitation activity in the next 30 days, which ranks it in the 46th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
3 events over 2002 days, from the signal feeds we watch.
- Record updated
- Publishedweakness classified
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Scored 7.8 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
References in the record
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