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Medium 5.9Published Apr 3, 2018

CVE-2018-4086An issue was discovered in certain Apple products.

Updated under an hour ago ()

Does this affect you?

It affects apple_tv and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13.3 is affected. tvOS before 11.2.5 is affected. watchOS before 4.2.2 is affected. The issue involves the "Security" component. It allows remote attackers to spoof certificate validation via crafted name constraints.

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CVSS
5.9 MEDIUM (v3.0, NVD)CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE)
CWE-295
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Jun 16, 2026
First seen by InfoSec Signals
Nov 1, 2026

Affected products

Affected products
apple apple_tv
apple:apple_tv
before 11.2.5
NVD
apple iphone_os
apple:iphone_os
before 11.2.5
NVD
apple mac_os_x
apple:mac_os_x
before 10.13.3
NVD
apple watchos
apple:watchos
before 4.2.2
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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