An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves mishandling of DMA in the "EFI" component. It allows physically proximate attackers to discover the FileVault 2 encryption password via a crafted Thunderbolt adapter.
Severity
CVSS 3.0
6.8 medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)