High 7.1Published Sep 25, 2016

CVE-2016-4774The kernel in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 allows attackers to obtain sensitive memory-layout information or cause a denial of service (out-of-bounds r…

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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The kernel in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 allows attackers to obtain sensitive memory-layout information or cause a denial of service (out-of-bounds read) via a crafted app, a different vulnerability than CVE-2016-4773 and CVE-2016-4776.

CVSS: 7.1 HIGH (v3.0, NVD)CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/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 10.0	NVD
apple mac_os_x apple:mac_os_x	before 10.12.0	NVD
apple tvos apple:tvos	before 10.0	NVD
apple watchos apple:watchos	before 3.0	NVD

References

References

http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html	mailing-list, vendor-advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html	mailing-list, vendor-advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00010.html	mailing-list, vendor-advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00011.html	mailing-list, vendor-advisory
http://www.securityfocus.com/bid/93054	third-party-advisory, vdb-entry
http://www.securitytracker.com/id/1036858	third-party-advisory, vdb-entry
https://support.apple.com/HT207141	vendor-advisory
https://support.apple.com/HT207142	vendor-advisory
https://support.apple.com/HT207143	vendor-advisory
https://support.apple.com/HT207170	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.