Integer Overflow Leading to Out-of-Bounds Read in macOS Golden Gate

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. Processing a maliciously crafted document may lead to an out-of-bounds read.

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-2026-84548

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. When a maliciously crafted document is processed, it may trigger an out-of-bounds read, potentially exposing sensitive data or causing system instability.

Impact Analysis

If exploited, this vulnerability could allow attackers to read memory outside intended boundaries, leading to crashes, data leaks, or unauthorized access to sensitive information on affected systems.

Mitigation Strategies

Update to the fixed 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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