CVE-2026-43701: A malicious website may be able to process restricted web content outside the sandbox in Apple Safari
The issue was addressed with improved checks. 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.
AI Analysis
Technical Summary
This vulnerability allows a malicious website to bypass Safari's sandbox restrictions and process restricted web content outside the sandbox environment. Apple fixed the issue by implementing improved checks to prevent such unauthorized processing. The fix is included in Safari 26.5.2 and corresponding OS versions iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
Potential Impact
A malicious website exploiting this vulnerability could execute or process restricted web content outside the sandbox, potentially leading to unauthorized access or actions beyond the intended security boundaries of Safari's sandbox. No known exploits in the wild have been reported.
Mitigation Recommendations
A fix is available and included in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions or later to remediate the vulnerability.
CVE-2026-43701: A malicious website may be able to process restricted web content outside the sandbox in Apple Safari
Description
The issue was addressed with improved checks. 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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability allows a malicious website to bypass Safari's sandbox restrictions and process restricted web content outside the sandbox environment. Apple fixed the issue by implementing improved checks to prevent such unauthorized processing. The fix is included in Safari 26.5.2 and corresponding OS versions iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
Potential Impact
A malicious website exploiting this vulnerability could execute or process restricted web content outside the sandbox, potentially leading to unauthorized access or actions beyond the intended security boundaries of Safari's sandbox. No known exploits in the wild have been reported.
Mitigation Recommendations
A fix is available and included in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions or later to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.643Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42d3d227e9c7971972ceca
Added to database: 06/29/2026, 20:21:38 UTC
Last enriched: 06/29/2026, 20:52:09 UTC
Last updated: 06/29/2026, 22:06:51 UTC
Views: 3
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