CVE-2026-84552

Undergoing Analysis Undergoing Analysis - In Progress

Unexpected System Termination in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

The 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. 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

2026-10-05

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-03

NVD

CVE-2026-84552

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability involves improved memory handling issues in Apple operating systems. It allows an app to cause unexpected system termination in iOS, iPadOS, and macOS versions. The flaw is fixed in specific updates for these systems.

Detection Guidance

This vulnerability is addressed in specific Apple OS updates. Detection involves checking your system's current OS version against the patched versions: iOS 26.7/iPadOS 26.7, iOS 27/iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. Use system update commands like 'softwareupdate --list' on macOS or 'Settings > General > Software Update' on iOS/iPadOS to verify.

Impact Analysis

An attacker could exploit this to crash your device unexpectedly. This may lead to data loss or disruption of services if the system terminates while in use. Regular users might experience sudden shutdowns or app failures.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The issue involves unexpected system termination due to memory handling, but no details are given about data exposure, privacy risks, or regulatory implications.

Mitigation Strategies

Update affected systems to the latest patched versions: iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 as soon as possible.

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