Permissions, privileges, and access controls in macOS - CVE-2026-86888
Published: September 14, 2026
Vulnerability identifier: #VU149721
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-2026-86888
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to gain access to sensitive information.
The vulnerability exists due to improperly imposed security restrictions in App Store. A local application can read a persistent account identifier.
Affected software
macOS
How to mitigate CVE-2026-86888
Install update from vendor's website.
macOS - update to 26.7 25G229