CVE-2026-65364

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in macOS Golden Gate 27

Publication date: 2026-09-14

Last updated on: 2026-09-15

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. A remote attacker may be able to cause unexpected system termination.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-14

Last Modified

2026-09-15

Generated

2026-10-05

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-65364

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 15.0 (inc) to 15.8 (exc)
apple	macos	From 26.0 (inc) to 26.7 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability caused by insufficient bounds checking. A remote attacker could exploit this to read memory outside intended boundaries, potentially causing unexpected system termination.

Detection Guidance

This vulnerability is specific to Apple macOS and requires checking the installed version against the patched releases. Use the command 'sw_vers' to check your macOS version. Compare it with macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. If your version is older, the system is vulnerable.

Impact Analysis

An attacker could trigger unexpected system crashes by exploiting this flaw. This may lead to denial-of-service conditions, disrupting normal device operation.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards as it involves an out-of-bounds read leading to system termination. No evidence suggests data exposure or unauthorized access, which are primary concerns for these regulations.

Mitigation Strategies

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

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