CVE-2026-84622

Undergoing Analysis Undergoing Analysis - In Progress

Memory Initialization Issue in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-18

Assigner: Apple Inc.

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app with root privileges may be able to read uninitialized 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-2026-84622

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 26.7 (exc)
apple	iphone_os	to 26.7 (exc)
apple	macos	From 15.0 (inc) to 15.8 (exc)
apple	macos	From 26.0 (inc) 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 a memory initialization issue where uninitialized kernel memory could be read by an app with root privileges. 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 requires root privileges to exploit. Detection would involve checking system logs for unauthorized access attempts or kernel memory dumps. No direct commands are provided in the context to detect this issue.

Impact Analysis

An attacker with root access could potentially read sensitive data from kernel memory that should have been cleared. This might expose passwords, encryption keys, or other confidential information stored in memory.

Compliance Impact

This vulnerability involves an app with root privileges potentially reading uninitialized kernel memory. While not directly impacting GDPR or HIPAA compliance, such memory exposure could lead to unauthorized data access, which may violate principles of data protection and confidentiality required by these regulations.

Mitigation Strategies

Update affected Apple devices to the latest versions mentioned: iOS 26.7/iPadOS 26.7, iOS 27/iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, or watchOS 27.

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