Main Vulnerability Database Vulnerabilities #VU149962

Use after free in Apple iOS and iPadOS - CVE-2026-84593

Published: September 15, 2026

Vulnerability identifier: #VU149962

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-84593

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in AppleKeyStore. A local application can cause unexpected system termination.

Apple iOS
iPadOS

Install update from vendor's website.

Apple iOS - addressed in versions 27.0 24A427, 27.0 24A437
iPadOS - update to 27.0 24A437