CVE-2026-65396
Received Received - Intake

Buffer Overflow in macOS Golden Gate 27

Vulnerability report for CVE-2026-65396, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: Apple Inc.

Description

A buffer overflow was addressed with improved size 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

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Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-10-20
AI Q&A
2026-10-20
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

Attack-Flow Graph

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Executive Summary

This is a buffer overflow vulnerability caused by insufficient size validation. An application could exploit this to write data beyond the intended memory buffer, potentially leading to crashes or unexpected system behavior.

Impact Analysis

An attacker could exploit this to cause an app to crash or terminate unexpectedly. This may lead to denial of service or instability on the affected system.

Mitigation Strategies

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

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