Buffer overflow in Apple iOS and iPadOS - CVE-2026-65390
Published: September 15, 2026
Vulnerability identifier: #VU149977
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65390
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 on the target system.
The vulnerability exists due to a boundary error when processing web content in WebRTC. A remote attacker can trick the victim into visiting a specially crated website, trigger memory corruption and execute arbitrary code on the target system.
Affected software
Apple iOS
iPadOS
tvOS
watchOS
visionOS
iPadOS
tvOS
watchOS
visionOS
How to mitigate CVE-2026-65390
Install updates from vendor's website.
Apple iOS - update to 26.6.1 23G83
iPadOS - update to 26.6.1 23G83
tvOS - update to 27.0 24J361
watchOS - update to 27.0 24R364
visionOS - update to 27.0
iPadOS - update to 26.6.1 23G83
tvOS - update to 27.0 24J361
watchOS - update to 27.0 24R364
visionOS - update to 27.0