CVE-2026-39868
Received Received - Intake

Memory Corruption in Apple iOS, iPadOS, and macOS Tahoe

Vulnerability report for CVE-2026-39868, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-29

Last updated on: 2026-06-29

Assigner: Apple Inc.

Description

This issue was addressed with improved input validation. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-06-29
Last Modified
2026-06-29
Generated
2026-06-30
AI Q&A
2026-06-29
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
apple ios 26.5.2
apple ipados 26.5.2
apple macos_tahoe 26.5.2

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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Executive Summary

This vulnerability involves insufficient input validation in certain Apple operating systems. An application could exploit this flaw to cause unexpected system termination or corrupt kernel memory.

Impact Analysis

Exploitation of this vulnerability may lead to your device unexpectedly shutting down or experiencing instability due to corrupted kernel memory, potentially affecting device reliability and security.

Mitigation Strategies

To mitigate this vulnerability, update your devices to the fixed versions: iOS 26.5.2, iPadOS 26.5.2, or macOS Tahoe 26.5.2.

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EPSS Chart