A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to memory corruption.
https://thehackernews.com/2026/06/apple-patches-30-ios-macos-safari-flaws.html
https://securityaffairs.com/194476/security/apple-fixes-webkit-flaws-in-ios-and-macos-with-help-from-ai-tools.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: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.0036