CVE-2026-64709

Analyzed Analyzed - Analysis Complete

Memory Disclosure in Apple iOS and macOS

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to disclose kernel memory.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-27

Last Modified

2026-07-28

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-64709

EUVD

EUVD-2026-49513

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 14.0 (inc) to 14.8.8 (exc)
apple	macos	From 15.0 (inc) to 15.7.8 (exc)
apple	macos	From 26.0 (inc) to 26.6 (exc)
apple	ipados	to 26.6 (exc)
apple	iphone_os	to 26.6 (exc)
apple	tvos	to 26.6 (exc)
apple	visionos	to 26.6 (exc)
apple	watchos	to 26.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This vulnerability involves an app being able to disclose kernel memory due to improved memory handling issues in Apple operating systems. It affects multiple platforms including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS.

Detection Guidance

This vulnerability is specific to Apple operating systems and involves kernel memory disclosure. Detection requires checking system versions against the patched releases: iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6. Use system update commands like 'softwareupdate --list' on macOS or 'Settings > General > Software Update' on iOS/iPadOS to verify versions.

Impact Analysis

An attacker could exploit this flaw to access sensitive kernel memory, potentially leading to unauthorized data access, privilege escalation, or system compromise on affected devices.

Compliance Impact

The vulnerability allows an app to disclose kernel memory, which could lead to unauthorized access to sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (health information privacy) by increasing the risk of data breaches or unauthorized disclosures.

Mitigation Strategies

Update affected Apple devices to the latest versions: iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6 to address the memory handling issue.

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