CVE-2026-84630

Received Received - Intake

Race Condition in Apple iOS and macOS Systems

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A race condition was addressed with improved state 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 may be able to cause unexpected system termination.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-84630

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.7
apple	ipados	26.7
apple	ios	27
apple	ipados	27
apple	macos_golden_gate	27
apple	macos_sequoia	15.8
apple	macos_tahoe	26.7
apple	tvos	27
apple	visionos	27
apple	watchos	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a race condition vulnerability where improper state handling could allow an app to cause unexpected system termination. 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 checking the installed versions against the patched releases. No direct detection commands are provided in the context. Verify system versions using built-in update tools or system information commands like 'system_profiler SPSoftwareDataType' on macOS or 'Settings > General > About' on iOS/iPadOS.

Impact Analysis

An attacker could exploit this to crash your device unexpectedly. This might lead to data loss or disrupt critical functions if the system terminates improperly.

Mitigation Strategies

Update affected Apple devices to the latest versions: iOS 26.7 or later, iPadOS 26.7 or later, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, or watchOS 27. Enable automatic updates to prevent future vulnerabilities.

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