Improper access control in macOS - CVE-2026-43770

 

Improper access control in macOS - CVE-2026-43770

Published: August 17, 2026


Vulnerability identifier: #VU143780
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43770
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to disclose sensitive information.

The vulnerability exists due to improper access control in StorageKit when handling local application access. A local user can access sensitive information to disclose sensitive information.


Affected software

macOS
tvOS

How to mitigate CVE-2026-43770

Install update from vendor's website.

macOS - addressed in versions 26.6 25G72, 14.8.8 23J620, 15.7.8 24G824
tvOS - update to 26.6 23L773

External References

Related Security Bulletins