Buffer Overflow in macOS Golden Gate

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Scores

EPSS Scores

Probability:
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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-2026-84520

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos_golden_gate	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a buffer overflow vulnerability in macOS Golden Gate 27 where a local attacker could cause unexpected system termination or corrupt kernel memory due to insufficient size validation.

Impact Analysis

A local attacker could exploit this to crash your system or corrupt kernel memory, potentially leading to data loss or unauthorized access.

Mitigation Strategies

Update to macOS Golden Gate 27 or later to address the buffer overflow vulnerability. Monitor Apple's security advisories for additional patches.

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