Improper access control in macOS - CVE-2026-65347

 

Improper access control in macOS - CVE-2026-65347

Published: August 18, 2026


Vulnerability identifier: #VU143960
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65347
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access restrictions in ImageIO. A remote attacker can trick the victim into opening a specially crafted file and perform a denial-of-service.


Affected software

macOS
iPadOS
Apple iOS

How to mitigate CVE-2026-65347

Install update from vendor's website.

macOS - update to 26.6.2 25G83
iPadOS - update to 26.6.1 23G83
Apple iOS - update to 26.6.1 23G83

External References

Related Security Bulletins