CVE-2016-4656Actively exploitedAdded to KEV 2022-05-24

Apple iOS Memory Corruption Vulnerability

Apple, iOS

Description

A memory corruption vulnerability in Apple iOS kernel allows attackers to execute code in a privileged context or cause a denial-of-service (DoS) via a crafted application.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

High

23.6%

estimated chance of real-world exploitation in the next 30 days, higher than 97.8% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-06-14

CWE-264

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