High 7.8Published Apr 3, 2019

CVE-2018-4280A memory corruption issue was addressed with improved memory handling.

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects apple iphone_os and 3 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

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, macOS High Sierra 10.13.6, tvOS 11.4.1, watchOS 4.3.2.

CVSS: 7.8 HIGH (v3.0, NVD)CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-119
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 11.4.1	NVD
apple mac_os_x apple:mac_os_x	before 10.13.6	NVD
apple tvos apple:tvos	before 11.4.1	NVD
apple watchos apple:watchos	before 4.3.2	NVD

References

References

https://support.apple.com/kb/HT208935	vendor-advisory
https://support.apple.com/kb/HT208936	vendor-advisory
https://support.apple.com/kb/HT208937	vendor-advisory
https://support.apple.com/kb/HT208938	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.