CVE-2026-43725
Received Received - Intake

Sandbox Escape in Safari via Malicious Website

Publication date: 2026-06-29

Last updated on: 2026-06-29

Assigner: Apple Inc.

Description
The issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may be able to process restricted web content outside the sandbox.

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Meta Information

Published
2026-06-29
Last Modified
2026-06-29
Generated
2026-06-30
AI Q&A
2026-06-29
EPSS Evaluated
N/A
NVD
CVE-2026-43725

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
apple safari 26.5.2
apple ios 26.5.2
apple ipados 26.5.2
apple macos_tahoe 26.5.2

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

This vulnerability involves a flaw in input validation that allowed a malicious website to process restricted web content outside of the browser's sandbox environment.

The issue was addressed by improving input validation in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.

Impact Analysis

A malicious website exploiting this vulnerability could potentially access or process restricted web content outside the intended sandbox, which may lead to unauthorized data access or other security risks.

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices and software to the fixed versions Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, or macOS Tahoe 26.5.2 as applicable.

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