The issue was addressed with improved checks. (CVE-2026-43701)
CVE-2026-43701 is a high-severity vulnerability affecting Safari, iOS, iPadOS, and macOS Tahoe. It allows a malicious website to process restricted web content outside the sandbox due to insufficient checks. The issue has been fixed in version 26.5.2 of these platforms.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-43701) involves a sandbox escape where a malicious website could process restricted web content outside the intended sandbox environment. The root cause relates to insufficient access control checks (CWE-284). The issue is addressed by improved checks implemented in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
Potential Impact
Successful exploitation could allow an attacker to bypass sandbox restrictions, potentially leading to limited confidentiality, integrity, and availability impacts on the affected system. The CVSS 3.1 base score is 8.3 (high), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and scope change with partial impacts on confidentiality, integrity, and availability.
Mitigation Recommendations
The vulnerability is fixed 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 issue. No additional mitigation steps are indicated.
The issue was addressed with improved checks. (CVE-2026-43701)
Description
CVE-2026-43701 is a high-severity vulnerability affecting Safari, iOS, iPadOS, and macOS Tahoe. It allows a malicious website to process restricted web content outside the sandbox due to insufficient checks. The issue has been fixed in version 26.5.2 of these platforms.
CVSS v3.1
Score 8.3high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-43701) involves a sandbox escape where a malicious website could process restricted web content outside the intended sandbox environment. The root cause relates to insufficient access control checks (CWE-284). The issue is addressed by improved checks implemented in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
Potential Impact
Successful exploitation could allow an attacker to bypass sandbox restrictions, potentially leading to limited confidentiality, integrity, and availability impacts on the affected system. The CVSS 3.1 base score is 8.3 (high), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and scope change with partial impacts on confidentiality, integrity, and availability.
Mitigation Recommendations
The vulnerability is fixed 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 issue. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-779r-mf4g-rgf7
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43701"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a83aa84bf8831d539e3397f
Added to database: 08/18/2026, 00:42:44 UTC
Last enriched: 08/18/2026, 00:56:40 UTC
Last updated: 08/18/2026, 01:52:00 UTC
Views: 3
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