CVE-2026-43727: 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…

PriorityP430medium6.5CVSS 3.1

AVNACLPRNUIRSUCNINAH

EPSS

0.20%

9.5th percentile

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 an unexpected Safari crash.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
apple	ios_and_ipados	< 26.5.2	26.5.2
apple	ipados	< 26.5.2	26.5.2
apple	iphone_os	< 26.5.2	26.5.2
apple	macos	< 26.5.2	26.5.2
apple	macos	>= 26.0 < 26.5.2	26.5.2
apple	safari	< 26.5.2	26.5.2

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.