High 8.8Published Jan 11, 2019

CVE-2018-4404In iOS before 11.4 and macOS High Sierra before 10.13.5, a memory corruption issue exists and 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 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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In iOS before 11.4 and macOS High Sierra before 10.13.5, a memory corruption issue exists and was addressed with improved memory handling.

CVSS: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/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	NVD
apple mac_os_x apple:mac_os_x	from 10.13.0 before 10.13.5	NVD

References

References

https://support.apple.com/HT208848%2C
https://support.apple.com/HT208849	vendor-advisory
https://www.exploit-db.com/exploits/45998/	third-party-advisory, vdb-entry

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.