CVE-2014-4498: Apple Mac OS X

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

The CPU Software in Apple OS X before 10.10.2 allows physically proximate attackers to modify firmware during the EFI update process by inserting a Thunderbolt device with crafted code in an Option ROM, aka the "Thunderstrike" issue.

Affected products

• Apple Mac OS X: up to and including 10.10.1

Published 2015-01-30. Last modified 2026-06-17.