# CVE-2018-4344: Apple Multiple Products Memory Corruption Vulnerability

Source: https://junglewise.ai/threats/cve-2018-4344-apple-multiple-products-memory-corruption-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-06-27. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2018-4344 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-06-27

A memory corruption vulnerability in Apple iOS, macOS, tvOS, and watchOS was addressed through improved memory handling. The flaw can allow for arbitrary code execution when a user interacts with a malicious file or application.

Technologies: [Apple Multiple Products](https://junglewise.ai/threats/technologies/multiple-products). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2018-4344 exploited in the wild?** Yes. CVE-2018-4344 is known to be exploited in the wild, first recorded on 27 June 2022. Treat it as urgent.

**How severe is CVE-2018-4344?** Critical severity, with a CVSS score of 7.8, published 27 June 2022.

**Which products and versions are affected?** Apple iOS < 12.0; Apple macOS Mojave < 10.14; Apple tvOS < 12.0; Apple watchOS < 5.0.

**Is there a fix for CVE-2018-4344?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2018-4344 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2018-4344?** Check whether you run Apple Multiple Products. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Apple iOS < 12.0
- Apple macOS Mojave < 10.14
- Apple tvOS < 12.0
- Apple watchOS < 5.0

## Timeline

- 2019-04-05: disclosed: Initial analysis by NIST
- 2022-06-27: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-06-27: exploited: Reported as exploited in the wild in CISA KEV catalog

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