The issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may be able to process restricted web content outside the sandbox.
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/127685
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: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 7.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS: 0.00314