CVE-2019-18579: Dell Xps 7390 Firmware

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Settings for the Dell XPS 13 2-in-1 (7390) BIOS versions prior to 1.1.3 contain a configuration vulnerability. The BIOS configuration for the "Enable Thunderbolt (and PCIe behind TBT) pre-boot modules" setting is enabled by default. A local unauthenticated attacker with physical access to a user's system can obtain read or write access to main memory via a DMA attack during platform boot.

Affected products

• Dell Xps 7390 Firmware: before 1.1.3 (fixed in 1.1.3)

Published 2019-12-16. Last modified 2026-06-17.