Is CVE-2014-4404 being actively exploited?

Yes. CVE-2014-4404 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on February 10, 2022.

What is the CVSS score for CVE-2014-4404?

CVE-2014-4404 has a CVSS 3.1 base score of 7.8 (HIGH).

CVE-2014-4404

HIGH · CVSS 7.8CISA KEV: actively exploitedEPSS 48.9%EU EUVD: exploited

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.

Key facts

CVSS score: 7.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
EPSS score: 48.9% (99th percentile)
In CISA KEV: Yes, added February 10, 2022
In EU EUVD: Yes (EUVD-2014-4331)
Published: September 18, 2014
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Apple OS X Heap-Based Buffer Overflow Vulnerability

Added to the KEV catalog on February 10, 2022; federal remediation due August 10, 2022.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-4331 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.

View on the EU Vulnerability Database

Affected products

apple / iphone os
apple / mac os x
apple / tvos

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Apple Mac OS X 10.6 - Apple Inc. - Common Criteria BSI-DSZ-CC-0536-2010 - archived
Apple Mac OS X v10.3.6 and Apple Mac OS X Server V10.3.6 - Apple Inc. - Common Criteria CCEVS-VR-0086-2005 - archived

References

http://archives.neohapsis.com/archives/bugtraq/2014-09/0106.html(Broken Link)
http://archives.neohapsis.com/archives/bugtraq/2014-09/0107.html(Broken Link)
http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html(Broken Link)
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html(Mailing List, Vendor Advisory)
http://support.apple.com/kb/HT6441(Vendor Advisory)
http://support.apple.com/kb/HT6442(Vendor Advisory)
http://www.securityfocus.com/bid/69882(Broken Link, Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/69947(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1030866(Broken Link, Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/96111(Third Party Advisory, VDB Entry)
https://support.apple.com/HT204659(Vendor Advisory)
https://support.apple.com/kb/HT6535(Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4404(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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