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Safari and Apple Devices Crash Risk from Malicious Web Content
CVE-2026-20664
Summary
Processing malicious web content on Safari or certain Apple devices may cause the system to crash. This issue is fixed in the latest versions of Safari, iOS, iPadOS, macOS, and visionOS. Update to the latest version to protect your device.
Original title
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may ...
Original description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.
Published: 25 Mar 2026 · Updated: 25 Mar 2026 · First seen: 25 Mar 2026