How severe is CVE-2018-4206?

CVE-2018-4206 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-4206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4206?

CVE-2018-4206 primarily affects Apple Apple Tv. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-4206?

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-2018-4206 published?

CVE-2018-4206 was published on 2018-06-08 and last updated on 2026-06-17.

CVE-2018-4206

CVE-2018-4206 is a high-severity vulnerability in Apple Apple Tv 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Apple Tv
Published: 2018-06-08
Last modified: 2026-06-17

Description

An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. macOS before 10.13.4 Security Update 2018-001 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Crash Reporter" component. It allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted app that replaces a privileged port name.

Frequently asked questions

What is CVE-2018-4206?: An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. macOS before 10.13.4 Security Update 2018-001 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Crash Reporter" component. It allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted app that replaces a privileged port name.
How severe is CVE-2018-4206?: CVE-2018-4206 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-4206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4206?: CVE-2018-4206 primarily affects Apple Apple Tv. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-4206?: 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-2018-4206 published?: CVE-2018-4206 was published on 2018-06-08 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:apple:apple_tv:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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