CVE-2026-86871 | Apple macOS up to 15.7/26/26.6 integer underflow

October 20, 2026 Yanac

A vulnerability was found in Apple macOS up to 15.7/26/26.6. It has been classified as critical. Affected by this vulnerability is an unknown functionality. The manipulation leads to integer underflow.

This vulnerability is traded as CVE-2026-86871. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More