CVE-2025-14303

MEDIUM

MSI Motherboard - Memory Corruption

Title source: llm

Description

Certain motherboard models developed by MSI has a Protection Mechanism Failure vulnerability. Because IOMMU was not properly enabled, unauthenticated physical attackers can use a DMA-capable PCIe device to read and write arbitrary physical memory before the OS kernel and its security features are loaded.

Scores

CVSS v3 6.8
EPSS 0.0008
EPSS Percentile 23.6%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-693
Status draft

Timeline

Published Dec 17, 2025
Tracked Since Feb 18, 2026