Buffer Overflow in macOS Golden Gate via Malicious Disk Image

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

CVSS 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-2026-84512

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 vulnerability is a buffer overflow issue caused by insufficient bounds checking. When a user mounts a specially crafted disk image, it can trigger unexpected system crashes or corrupt kernel memory, potentially leading to serious system instability.

Impact Analysis

If exploited, this vulnerability could cause your system to terminate unexpectedly or suffer kernel memory corruption. This might result in data loss, application crashes, or unauthorized access to sensitive information on your device.

Mitigation Strategies

Update to the latest versions of macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the buffer overflow issue. Avoid mounting untrusted or maliciously crafted disk images.

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