How severe is CVE-2018-17707?

CVE-2018-17707 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17707 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17707?

CVE-2018-17707 affects Epicgames Launcher. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17707?

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-2018-17707 published?

CVE-2018-17707 was published on 2019-01-24 and last updated on 2026-06-17.

CVE-2018-17707

CVE-2018-17707 is a high-severity vulnerability in Epicgames Launcher with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Epicgames Launcher
Published: 2019-01-24
Last modified: 2026-06-17

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Epic Games Launcher versions prior to 8.2.2. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handler for the com.epicgames.launcher protocol. A crafted URI with the com.epicgames.launcher protocol can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-7241.

Frequently asked questions

What is CVE-2018-17707?: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Epic Games Launcher versions prior to 8.2.2. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handler for the com.epicgames.launcher protocol. A crafted URI with the com.epicgames.launcher protocol can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-7241.
How severe is CVE-2018-17707?: CVE-2018-17707 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17707 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17707?: CVE-2018-17707 affects Epicgames Launcher. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17707?: 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-2018-17707 published?: CVE-2018-17707 was published on 2019-01-24 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-18-1359/

Affected products (1)

cpe:2.3:a:epicgames:launcher:*:*:*:*:*:*:*:*

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