Integer Overflow in macOS Golden Gate 27 Leads to System Crash

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

An integer overflow was addressed with improved input validation. 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 system termination.

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-2026-84517

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 an integer overflow caused by insufficient input validation. It allows an application to trigger an unexpected system termination by exploiting this flaw.

Impact Analysis

An attacker could exploit this to cause an app or system to crash unexpectedly. This may lead to data loss or denial of service if critical processes are terminated.

Mitigation Strategies

Update to the latest versions of macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the integer overflow issue.

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