The issue was addressed with improved input sanitization. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination or write kernel memory.
https://thehackernews.com/2026/06/apple-patches-30-ios-macos-safari-flaws.html
https://isc.sans.edu/diary/rss/33114
https://support.apple.com/en-us/127595
https://support.apple.com/en-us/127594
Source: Mitre, NVD
Published: 2026-06-29
Updated: 2026-06-30
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.0018