Safari 26.6 Improved Access Restrictions Mandate Strict Sandbox Isolation
CVE-2026-43821 Published on July 27, 2026
An access issue was addressed with improved access restrictions. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to read files outside of its sandbox.
Vulnerability Analysis
CVE-2026-43821 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-43821 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-43821
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Affected Versions
Apple Safari:- Before 26.6 is affected.
- Before 18.7.10 is affected.
- Before 26.6 is affected.
- Before 26.6 is affected.
- Before 26.6 is affected.
- Before 26.6 is affected.
- Before 26.6 is affected.