MSI|Motherboard - Protection Mechanism Failure
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-693.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-14303
- 2026-10-03 Alias added: GHSA-w47f-xmcq-j6m3
References
More MSI vulnerabilities
- TI-2026-57198 MSI Dragon Center MMIO Write Path NTIOLib_X64.sys MmioWritePath integer overflow CVSS 4.0CRITICAL 9.3
- TI-2022-13720 An issue in the component MSI.TerminalServer.exe of MSI Center v1.0.41.0 allows attackers… CVSS 3.1HIGH 8.8
- TI-2024-11341 MSI Dragon Center IOCTL NTIOLib_X64.sys MmUnMapIoSpace null pointer dereference CVSS 4.0MEDIUM 6.8
- TI-2021-09287 The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a… CVSS 3.1CRITICAL 9.8
- TI-2026-50282 MSI Radix AXE6600 v781521 Command Injection via openvpn function CVSS 4.0CRITICAL 9.3
- TI-2026-50281 MSI Radix AXE6600 v781521 Command Injection via macfilter CVSS 4.0CRITICAL 9.3
Sources
- CVE-2025-14303 · CVE Program
- CVE-2025-14303 · NVD
- FIRST EPSS
- GHSA-w47f-xmcq-j6m3 · GitHub Advisory Database · CC BY 4.0
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