CVE-2014-4859: Tianocore EDK2

Medium severity, CVSS 6.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restrictions via crafted data.

Affected products

• Tianocore EDK2: affected versions not specified

Published 2020-01-31. Last modified 2026-06-17.