CVE-2026-86958
Received Received - Intake

Memory Corruption Bypass in macOS Golden Gate

Vulnerability report for CVE-2026-86958, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-26

Last updated on: 2026-10-26

Assigner: Apple Inc.

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.

CVSS Scores

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Meta Information

Published
2026-10-26
Last Modified
2026-10-26
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
Apple macOS 0
Apple macOS 0
Apple macOS 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves a memory handling issue in Apple macOS that could allow an attacker with memory write capability to bypass pointer authentication codes and execute arbitrary code. It was addressed in specific macOS versions: Golden Gate 27, Sequoia 15.8.2, and Tahoe 26.7.2.

Impact Analysis

An attacker exploiting this vulnerability could gain the ability to run arbitrary code on your system, potentially leading to unauthorized access, data theft, or system compromise. This requires the attacker to already have memory write capability.

Mitigation Strategies

Update to macOS Golden Gate 27, macOS Sequoia 15.8.2, or macOS Tahoe 26.7.2 or later to address the issue.

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