Improper access control in macOS - CVE-2026-84577
Published: September 15, 2026
Vulnerability identifier: #VU149809
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84577
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to bypass implemneted security restrictions.
The vulnerability exists due to improper access restrictions in libxpc. A local application can bypass sandbox restrictions.
Affected software
macOS
How to mitigate CVE-2026-84577
Install update from vendor's website.
macOS - update to 26.7 25G229