What is CVE-2014-4404?

CVE-2014-4404 is a high-severity vulnerability in Apple Iphone OS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2014-09-18.

How severe is CVE-2014-4404?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2014-4404 known to be exploited?

Yes. CVE-2014-4404 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-10), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

Buffer overflow in Apple Iphone OS

CVE-2014-4404

Heap-based buffer overflow in IOHIDFamily in Apple iOS before 8 and Apple TV before 7 allows attackers to execute arbitrary code in a privileged context via an application that provides crafted key-mapping properties.

Vulnerability class: Buffer Overflow

Published 2014-09-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.489 (98.9th percentile), scored 2026-10-17.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.489 · newest: 0.489 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-02-10. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-08-10.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

support.apple.com/HT204659 (Vendor Advisory)
support.apple.com/kb/HT6441 (Vendor Advisory)
www.securitytracker.com/id/1030866 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
www.securityfocus.com/bid/69947 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
support.apple.com/kb/HT6442 (Vendor Advisory)
archives.neohapsis.com/archives/bugtraq/2014-10/0101.html (vendor-advisory, Broken Link)
archives.neohapsis.com/archives/bugtraq/2014-09/0107.html (vendor-advisory, Broken Link)
www.securityfocus.com/bid/69882 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
exchange.xforce.ibmcloud.com/vulnerabilities/96111 (VDB Entry, Third Party Advisory, vdb-entry)
lists.apple.com/archives/security-announce/2015/Apr/msg00001.html (vendor-advisory, Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2014-4404?: CVE-2014-4404 is a high-severity vulnerability in Apple Iphone OS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2014-09-18.
How severe is CVE-2014-4404?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2014-4404 known to be exploited?: Yes. CVE-2014-4404 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-10), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.