CVE-2026-43731

HIGH

Apple Safari - Use After Free

Title source: rule
STIX 2.1

Description

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.

Scores

CVSS v3 8.8
EPSS 0.0020
EPSS Percentile 10.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (7)
Apple/iOS and iPadOS < 26.5.2
apple/ipados < 26.5.2
apple/iphone_os < 26.5.2
Apple/macOS < 26.5.2
apple/macos 26.0 - 26.5.2
Apple/Safari < 26.5.2
apple/safari < 26.5.2
Published Jun 29, 2026
Tracked Since Jun 30, 2026