How severe is CVE-2018-4164?

CVE-2018-4164 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-4164 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4164?

CVE-2018-4164 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4164?

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

When was CVE-2018-4164 published?

CVE-2018-4164 was published on 2018-04-03 and last updated on 2026-06-17.

CVE-2018-4164

CVE-2018-4164 is a critical-severity vulnerability in Apple Xcode with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Xcode
Published: 2018-04-03
Last modified: 2026-06-17

Description

An issue was discovered in certain Apple products. Xcode before 9.3 is affected. The issue, which is unspecified, involves the "LLVM" component.

Frequently asked questions

What is CVE-2018-4164?: An issue was discovered in certain Apple products. Xcode before 9.3 is affected. The issue, which is unspecified, involves the "LLVM" component.
How severe is CVE-2018-4164?: CVE-2018-4164 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-4164 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4164?: CVE-2018-4164 affects Apple Xcode. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4164?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-4164 published?: CVE-2018-4164 was published on 2018-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*

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