How severe is CVE-2018-4048?

CVE-2018-4048 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-4048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4048?

CVE-2018-4048 affects Gog Galaxy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4048?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-4048 published?

CVE-2018-4048 was published on 2019-05-30 and last updated on 2026-06-17.

CVE-2018-4048

CVE-2018-4048 is a high-severity vulnerability in Gog Galaxy with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-668.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Gog Galaxy
Published: 2019-05-30
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-4048?: 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.
How severe is CVE-2018-4048?: CVE-2018-4048 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-4048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4048?: CVE-2018-4048 affects Gog Galaxy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4048?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-4048 published?: CVE-2018-4048 was published on 2019-05-30 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0722

Affected products (1)

cpe:2.3:a:gog:galaxy:1.2.48.36:*:*:*:*:*:*:*

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