Is CVE-2016-4712 in the CISA KEV catalog?

No. CVE-2016-4712 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-4712?

CVE-2016-4712 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2016-4712?

CVE-2016-4712 has an EPSS score of 1.63% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-4712?

Upgrade iphone os to 10.0 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2016-4712

HIGHEPSS 73th pctl

7.8

CVSS v3

NVD

Description

CoreCrypto in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 allows attackers to execute arbitrary code or cause a denial of service (out-of-bounds write) via a crafted app.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

iphone osNVD

Affected:< 10.0Fixed in:10.0CVE-2016-4712derived from NVD

mac os xNVD

Affected:< 10.12.0Fixed in:10.12.0CVE-2016-4712derived from NVD

tvosNVD

Affected:< 10.0Fixed in:10.0CVE-2016-4712derived from NVD

watchosNVD

Affected:< 3.0Fixed in:3.0CVE-2016-4712derived 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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.63%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Vendor Advisory8

Third-Party Advisory2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.