CVE-2026-84547

Analyzed Analyzed - Analysis Complete

Memory Corruption in macOS Golden Gate 27

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Apple Inc.

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker in physical proximity may be able to corrupt process memory.

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Meta Information

Published

2026-10-20

Last Modified

2026-11-03

Generated

2026-11-09

AI Q&A

2026-10-20

EPSS Evaluated

2026-11-07

NVD

CVE-2026-84547

EUVD

EUVD-2026-104705

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	to 15.8 (exc)
apple	macos	From 26.0 (inc) to 26.7 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This is a memory corruption vulnerability caused by insufficient input validation. An attacker within physical proximity could exploit it to corrupt process memory on affected systems.

Detection Guidance

This vulnerability is specific to Apple macOS and requires physical proximity to exploit. Detection may involve checking system logs for unusual memory corruption events or monitoring for unauthorized physical access to devices. No specific commands are provided in the available context.

Impact Analysis

An attacker may exploit this to crash applications, execute arbitrary code, or gain elevated privileges on your device. Physical proximity is required for exploitation.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. Memory corruption issues may lead to unauthorized data access or processing, which could violate privacy regulations, but this CVE lacks details to confirm such effects.

Mitigation Strategies

Update to the latest version of macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the memory corruption issue.

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