CVE-2026-43738
Modified Modified - Updated After Analysis

Memory Disclosure in macOS Sequoia and Sonoma

Publication date: 2026-07-27

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. Processing a maliciously crafted asset catalog may result in disclosure of process memory.

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Meta Information

Published
2026-07-27
Last Modified
2026-09-14
Generated
2026-09-26
AI Q&A
2026-07-28
EPSS Evaluated
2026-09-25
NVD
CVE-2026-43738
EUVD
EUVD-2026-49482

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apple macos From 14.0 (inc) to 14.8.8 (exc)
apple macos From 15.0 (inc) to 15.7.8 (exc)

Helpful Resources

Exploitability

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

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Executive Summary

This vulnerability involves memory disclosure when processing a maliciously crafted asset catalog. It was fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8 with improved memory handling.

Detection Guidance

This vulnerability is related to memory disclosure when processing maliciously crafted asset catalogs. Detection may involve checking system logs for crashes or unusual memory usage patterns after processing asset catalogs. No specific commands are provided in the available context.

Impact Analysis

An attacker could exploit this to access sensitive process memory, potentially leading to unauthorized data exposure or further system compromise.

Compliance Impact

This vulnerability involves disclosure of process memory due to maliciously crafted asset catalogs, which could lead to unauthorized access to sensitive data. Such memory leaks may violate data protection principles under GDPR and HIPAA if they expose personal or health information. However, the provided CVE details do not explicitly link this issue to compliance impacts.

Mitigation Strategies

Update to macOS Sequoia 15.7.8 or macOS Sonoma 14.8.8 or later to address the vulnerability.

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