CVE-2026-43771
Received Received - Intake

Stack Overflow in macOS Leading to DoS

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description
A stack overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause a denial-of-service.

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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-2026-43771
EUVD
EUVD-2026-49424

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
apple macos_sequoia to 15.7.8 (inc)
apple macos_sonoma to 14.8.8 (inc)
apple macos_tahoe to 26.6 (inc)

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 is a stack overflow vulnerability caused by insufficient input validation. An application could trigger this flaw to cause a denial-of-service by crashing the system or application.

Impact Analysis

An attacker could exploit this to crash your device or the vulnerable application, leading to loss of service or data. It primarily affects macOS systems running Sequoia, Sonoma, or Tahoe versions before the patched releases.

Mitigation Strategies

Update to the latest patched versions of macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6 to address the stack overflow vulnerability.

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