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. An app may be able to cause unexpected process termination or disclose process 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-2026-43683

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	to 27 (inc)
apple	macos	to 15.8 (inc)
apple	macos	to 26.7 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability where an app can access memory outside the intended boundaries due to insufficient bounds checking. This may lead to unexpected app termination or exposure of sensitive process memory.

Impact Analysis

An attacker could exploit this to crash an application or leak sensitive information from memory, potentially compromising user data or system integrity.

Mitigation Strategies

Update to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the out-of-bounds read vulnerability.

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