CVE-2025-4276

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published
Aug 13, 2025
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2025-4276: High severity, CVSS 7.5 | Vulnix