AMD RAIDXpert2 Vulnerability

Summary

A vulnerability in the AMD RAID Configuration driver (rccfg.sys) allows disclosure of kernel memory due to improper validation of user-supplied input in an IOCTL handler. An attacker with administrative privileges can read arbitrary kernel memory, potentially resulting in loss of confidentiality. 

CVE Details

Refer to Glossary for explanation of terms 

CVE

CVE Description

CVSS Base Score

CVE-2026-28235

Improper address validation in the AMD RAID Configuration Driver could allow an attacker with administrative access to read arbitrary kernel memory, potentially resulting in loss of confidentiality.

6.7
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CWE: 497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere

Specific CVSS scores may change subject to your implementation. We encourage you to calculate CVSS scores independently for your system.

Affected Products and Mitigation

AMD recommends implementing the mitigated version indicated below.

*Note: Products believed to not be affected by the listed CVEs are not included.AMD EPYC™ Series Processors

AMD EPYC™ Series Processors

Product

CVE ID

Platform Initialization (PI) Mitigation

PI Release Date

AMD EPYC™ 4004 Series Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD EPYC™ 4005 Series Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD EPYC™ Embedded Series Processors

Product

CVE ID

Mitigation

Mitigation Release Date

AMD EPYC™ Embedded 4005 Series Processors

CVE-2026-28235

Embedded EPYC™ 4005 RAID Windows Driver 950 00201 (73285e)

2026-08-30

AMD Ryzen™ Embedded Series Processors

Product

CVE ID

Mitigation

Mitigation Release Date

AMD Ryzen™ Embedded P100 Series Processors

CVE-2026-28235

RAIDXpert2_Windows_Driver version: 9.33.329

2026-04-30

AMD Athlon™ Series Processors

Product

CVE ID

Mitigation

Mitigation Release Date

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ Series Processors

Product

CVE ID

Mitigation

Mitigation Release Date

AMD Ryzen™ 3000 Series Desktop Processors

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 4000 Series Desktop Processors

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 5000 Series Desktop Processors

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 7000 Series Desktop Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ 8000 Series Desktop Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ 9000 Series Desktop Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ 9000HX Series Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ AI 300 Series Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ AI 400 Series Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ AI Max 300 Series Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ Threadripper™ 7000 Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ Threadripper™ 9000 Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors

CVE-2026-28235

No fix planned1

N/A

AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors

CVE-2026-28235

RAID Windows Driver 9.3.3.329

2026-05-06

1This issue is not being fixed because recent architectural changes in the RAID driver and installer make the updated stack incompatible with older programs and therefore updates cannot be applied to these systems.

Acknowledgement 

AMD thanks the following for reporting and engaging in coordinated vulnerability disclosure:

  • External Researcher Ahmad Abdillah Bin Zaini: CVE-2026-28235

Revisions

Revision Date Description
2026-11-10 Initial version

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