CVE-2026-43750
Received Received - Intake

Buffer Overflow in macOS with Arbitrary Code Execution

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description
A buffer overflow was addressed with improved bounds checking. 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 execute arbitrary code out of its sandbox or with certain elevated privileges.

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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-2026-43750
EUVD
EUVD-2026-49547

Affected Vendors & Products

Showing 3 associated CPEs
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
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a buffer overflow issue caused by insufficient bounds checking. It allows an application to execute arbitrary code outside its sandbox or with elevated privileges. The flaw exists in multiple macOS versions including Sequoia, Sonoma, and Tahoe.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially gaining control over your device or accessing sensitive data. It may allow bypassing security restrictions like sandboxing, increasing risk of data theft or system compromise.

Mitigation Strategies

Update your macOS to the latest patched versions: Sequoia 15.7.8, Sonoma 14.8.8, or Tahoe 26.6 to address the buffer overflow issue.

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