Known exploited vulnerability

CVE-2016-4656

Apple iOS Memory Corruption Vulnerability

What is affected

Vendor Apple
Product iOS
Weakness CWE-264

The vulnerability

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.

Required action

Apply updates per vendor instructions.

US federal civilian agencies were required to act by 14 June 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.

Where this comes from

Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 11 Nov 2026, 21:30. Nothing here is our own assessment. For the technical scoring, see the NVD record below.

NVD record ↗ CVE.org record ↗

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