CVE-2026-84549

Received Received - Intake

Out-of-Bounds Read in macOS Golden Gate

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory.

CVSS Scores

EPSS Scores

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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-2026-84549

Affected Vendors & Products

Vendor	Product	Version / Range
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 is an out-of-bounds read vulnerability caused by insufficient bounds checking. When a system connects to a malicious NFS server, it may read memory outside the intended buffer. This can lead to unexpected system termination or kernel memory corruption.

Impact Analysis

If you connect to a malicious NFS server, your system may crash or experience memory corruption. This could result in data loss, application instability, or unauthorized access to sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized data access or loss, potentially violating GDPR (data protection) or HIPAA (health data privacy) requirements. Organizations must ensure systems are patched to maintain compliance.

Mitigation Strategies

Update to the latest versions of macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the out-of-bounds read vulnerability. Avoid connecting to untrusted NFS servers until the update is applied.

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