Memory corruption in macOS - CVE-2026-65341
Published: August 18, 2026
Vulnerability identifier: #VU143969
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65341
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to memory corruption in WebKit when rendering web content. A remote attacker can craft malicious web content to execute arbitrary code.
Affected software
macOS
iPadOS
Apple iOS
Apple Safari
iPadOS
Apple iOS
Apple Safari
How to mitigate CVE-2026-65341
Install update from vendor's website.
macOS - update to 26.6.2 25G83
iPadOS - addressed in versions 18.7.10 22H374, 26.6.1 23G83
Apple iOS - addressed in versions 18.7.10 22H374, 26.6.1 23G83
Apple Safari - update to 26.6.1
iPadOS - addressed in versions 18.7.10 22H374, 26.6.1 23G83
Apple iOS - addressed in versions 18.7.10 22H374, 26.6.1 23G83
Apple Safari - update to 26.6.1