Is CVE-2018-4344 actively exploited?

CVE-2018-4344 has no public evidence of in-the-wild exploitation as of 2025-10-23.

What is the CVSS score for CVE-2018-4344?

CVE-2018-4344 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-4344?

Patch guidance is available from apple security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-4344.

Fix CVE-2018-4344 - HIGH apple iphone os

Q: Which products are affected by CVE-2018-4344?

4 products: apple iphone os, apple mac os x, apple tvos, apple watchos.

Description

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: APPLE
Published: 4/3/2019
Last Modified: 10/23/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2018-4344

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary