Is CVE-2016-4626 in the CISA KEV catalog?

No. CVE-2016-4626 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-4626?

CVE-2016-4626 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2016-4626?

CVE-2016-4626 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-4626?

Upgrade iphone os to 9.3.3 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2016-4626

HIGH

7.8

CVSS v3

NVD

Description

IOHIDFamily in Apple iOS before 9.3.3, OS X before 10.11.6, tvOS before 9.2.2, and watchOS before 2.2.2 allows local users to gain privileges or cause a denial of service (NULL pointer dereference) via unspecified vectors.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

iphone osNVD

Affected:< 9.3.3Fixed in:9.3.3CVE-2016-4626derived from NVD

mac os xNVD

Affected:< 10.11.6Fixed in:10.11.6CVE-2016-4626derived from NVD

tvosNVD

Affected:< 9.2.2Fixed in:9.2.2CVE-2016-4626derived from NVD

watchosNVD

Affected:< 2.2.2Fixed in:2.2.2CVE-2016-4626derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Vendor Advisory8

Third-Party Advisory2

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.