High 8.8Published Jan 11, 2019

CVE-2018-4194In iOS before 11.4, iCloud for Windows before 7.5, watchOS before 4.3.1, iTunes before 12.7.5 for Windows, and macOS High Sierra before 10.13.5, an out-of-bounds read was addressed with improved inpu…

Updated under an hour ago (Nov 2, 2026, 12:20 AM ET)

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It affects apple iphone_os and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Start free and add your stackFree account, 3 products Every CVE for apple iphone_os Exploited in the last 30 days

In iOS before 11.4, iCloud for Windows before 7.5, watchOS before 4.3.1, iTunes before 12.7.5 for Windows, and macOS High Sierra before 10.13.5, an out-of-bounds read was addressed with improved input validation.

CVSS: 8.8 HIGH (v3.0, NVD)CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-125
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 iphone_os apple:iphone_os	before 11.4	NVD
apple mac_os_x apple:mac_os_x	from 10.13.0 before 10.13.5	NVD
apple watchos apple:watchos	before 4.3.1	NVD
apple icloud apple:icloud	before 7.5	NVD
apple itunes apple:itunes	before 12.7.5	NVD

References

References

https://support.apple.com/HT208848	vendor-advisory
https://support.apple.com/HT208849	vendor-advisory
https://support.apple.com/HT208851	vendor-advisory
https://support.apple.com/HT208852	vendor-advisory
https://support.apple.com/HT208853	vendor-advisory

The CVE record on cve.org NVD's entry

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.