VULNERABILITY INTELLIGENCE

CVE-2025-4276

CVSS score7.5 HIGH

EPSS probability0.14%

CISA KEVNot currently listed

Published2025-08-13

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Description

UsbCoreDxe has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.