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
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-06-21
AI Q&A
2026-05-12
EPSS Evaluated
2026-06-20
NVD
CVE-2026-43668
Affected Vendors & Products
Showing 10 associated CPEs
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
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-43668. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart