Memory Corruption Vulnerability in Apple Safari and iOS Devices
CVE-2026-64757

Currently unrated

Key Information:

Vendor: Apple
Status: Safari; iOS And iPad OS; Mac OS; Visionos
Vendor: CVE Published:; 27 July 2026

What is CVE-2026-64757?

A memory corruption issue has been identified in Safari and various Apple operating systems, where processing specially crafted web content could trigger an unexpected crash of the Safari browser. The vulnerability has been resolved with enhancements in state management across multiple Apple platforms, including Safari 26.6, iOS 26.6, and macOS Tahoe 26.6, ensuring a more secure browsing experience for users.

Affected Version(s)

iOS and iPadOS 0 < 26.6

macOS 0 < 26.6

Safari 0 < 26.6

References

https://support.apple.com/en-us/128066

https://support.apple.com/en-us/128067

https://support.apple.com/en-us/128068

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Jul 27, 2026
Vulnerability Reserved
Jul 20, 2026

CVE-2026-64757 Data

JSON