CVE-2026-43682

Received Received - Intake

Memory Corruption in macOS Sequoia

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-27

Last Modified

2026-07-27

Generated

2026-07-28

AI Q&A

2026-07-28

EPSS Evaluated

N/A

NVD

CVE-2026-43682

EUVD

EUVD-2026-49524

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos_sequoia	15.7.8
apple	macos_sonoma	14.8.8
apple	macos_tahoe	26.6

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability involves a memory handling issue in Apple operating systems. A remote attacker could exploit it to cause unexpected system crashes or corrupt kernel memory, potentially leading to serious system instability.

Detection Guidance

Detection requires checking macOS version against patched releases. Use 'sw_vers' to check your macOS version. Compare it with Sequoia 15.7.8, Sonoma 14.8.8, or Tahoe 26.6. If your version is older, the system is vulnerable.

Impact Analysis

The vulnerability may allow a remote user to crash your system or corrupt critical kernel memory, which could result in data loss, system instability, or unauthorized access to sensitive information on affected devices.

Mitigation Strategies

Update macOS to the latest patched version immediately. Go to System Settings > General > Software Update and install available updates. Ensure automatic updates are enabled to prevent future vulnerabilities.

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