Improper access control in macOS - CVE-2026-112518
Published: October 27, 2026
Vulnerability identifier: #VU157841
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-2026-112518
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to potentially gain unauthorized access to restricted resources.
The vulnerability exists due to improper access control in the Heimdal component of Apple macOS when enforcing access restrictions. A local user can attempt operations on restricted resources to potentially bypass intended access controls.
Affected software
macOS
Apple iOS
iPadOS
Apple iOS
iPadOS
How to mitigate CVE-2026-112518
Install update from vendor's website.
macOS - update to 27.2 26B123
Apple iOS - addressed in versions 27.2 24B119, 27.2 24B120, 27.2 24B91020
iPadOS - update to 27.2 24B119
Apple iOS - addressed in versions 27.2 24B119, 27.2 24B120, 27.2 24B91020
iPadOS - update to 27.2 24B119