Improper limitation of a pathname to a restricted directory ('path traversal') in macOS - CVE-2026-43723

 

Improper limitation of a pathname to a restricted directory ('path traversal') in macOS - CVE-2026-43723

Published: August 17, 2026


Vulnerability identifier: #VU143746
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-2026-43723
CWE-ID: CWE-22
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 incorrect handling of path names in MediaRemote. A local application can gain root privileges.


Affected software

macOS
visionOS
tvOS
Apple iOS
iPadOS
watchOS

How to mitigate CVE-2026-43723

Install update from vendor's website.

macOS - addressed in versions 26.6 25G72, 14.8.8 23J620, 15.7.8 24G824
visionOS - update to 26.6
tvOS - update to 26.6 23L773
Apple iOS - update to 26.6 23G71
iPadOS - update to 26.6 23G71
watchOS - update to 26.6 23U67

External References

Related Security Bulletins