Apple iOS/iPadOS/macOS Data Leak via Malicious Site Before 18.7.10/26.6.1
CVE-2026-64778 Published on August 17, 2026
The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Visiting a maliciously crafted website may leak sensitive data.
Vulnerability Analysis
CVE-2026-64778 is exploitable 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 Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2026-64778 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2026-64778
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Affected Versions
Apple Safari:- Before 26.6.1 is affected.
- Before 18.7.10 is affected.
- Before 26.6.1 is affected.
- Before 26.6.2 is affected.
- Before 27 is affected.
- Before 27 is affected.
- Before 27 is affected.