CVE-2026-84530

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Memory Disclosure in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-18

Assigner: Apple Inc.

Description

An information disclosure issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-14

Last Modified

2026-09-18

Generated

2026-10-05

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-84530

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	to 26.7 (exc)
apple	ipados	to 26.7 (exc)
apple	iphone_os	to 26.7 (exc)
apple	visionos	to 27.0 (exc)
apple	watchos	to 27.0 (exc)
apple	tvos	to 27.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is an information disclosure vulnerability where an app may be able to access kernel memory. It was fixed in multiple Apple operating systems including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS.

Detection Guidance

This vulnerability is specific to Apple operating systems and involves kernel memory disclosure. Detection would require checking system logs for unusual memory access patterns or kernel-related errors on affected devices running vulnerable versions of iOS, iPadOS, macOS, tvOS, visionOS, or watchOS.

Impact Analysis

An attacker could exploit this to read sensitive kernel memory, potentially exposing passwords, encryption keys, or other confidential data stored in memory.

Compliance Impact

The vulnerability allows an app to disclose kernel memory, which could potentially expose sensitive user data. This may impact compliance with GDPR (data protection) and HIPAA (health information privacy) by increasing the risk of unauthorized data exposure.

Mitigation Strategies

Update affected Apple devices to the latest versions mentioned in the CVE description (iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27) to address the information disclosure issue.

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