CVE-2026-43668

Received Received - Intake

Use After Free in Apple iOS and iPadOS

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Scores

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Meta Information

Published

2026-05-11

Last Modified

2026-05-11

Generated

2026-07-11

AI Q&A

2026-05-12

EPSS Evaluated

2026-07-10

NVD

CVE-2026-43668

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	18.7.9
apple	ipados	18.7.9
apple	ios	26.5
apple	ipados	26.5
apple	macos_sequoia	15.7.7
apple	macos_sonoma	14.8.7
apple	macos_tahoe	26.5
apple	tvos	26.5
apple	visionos	26.5
apple	watchos	26.5

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is a use after free issue, which means that the system attempts to use memory after it has been freed. This can lead to unpredictable behavior, including system crashes or memory corruption. The issue has been addressed by improving memory management in various Apple operating systems.

Impact Analysis

A remote attacker exploiting this vulnerability may be able to cause unexpected system termination or corrupt kernel memory. This could result in system instability, crashes, or potentially allow further exploitation depending on the attacker's goals.

Mitigation Strategies

The vulnerability is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5.

To mitigate this vulnerability, you should immediately update your Apple devices to the latest versions mentioned above where the issue has been addressed.

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