Main Vulnerability Database Vulnerabilities #VU143803

Improper access control in Apple iOS and iPadOS - CVE-2026-43811

Published: August 17, 2026

Vulnerability identifier: #VU143803

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-43811

CWE-ID: CWE-284

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to improper access restrictions in Books. A local application can modify protected parts of the file system.

Apple iOS
iPadOS

Install update from vendor's website.

Apple iOS - update to 26.6 23G71
iPadOS - update to 26.6 23G71