Improper authorization in macOS - CVE-2026-84555
Published: September 15, 2026
Vulnerability identifier: #VU149867
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-2026-84555
CWE-ID: CWE-285
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to bypass implemented security restrictions.
The vulnerability exists due to an error in Sandbox. A local application can gain access to sensitive user data.
Affected software
macOS
How to mitigate CVE-2026-84555
Install updates from vendor's website.
macOS - update to 15.8 24H23