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NTAP-20261030-0004 — CVE-2026-97631 Tianocore EDK2 Vulnerability in NetApp Products

Published 2026-10-30 · Updated 2026-10-30 · Status: Interim · Exploitation: Public · Severity: CRITICAL 9.5 · ONTAP affected: No — other NetApp product

Official advisory: NTAP-20261030-0004 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Other NetApp products · SolidFire / NetApp HCI | other NetApp product | highest CVSS: 9.5

CVEs in this advisory

CVE-2026-97631 — CRITICAL · CVSS 9.5 · site index

What the CVE records say

CVE-2026-97631 — EDK2 contains a vulnerability in BIOS where a user may cause “Out-of-bounds Write”, Classic Buffer Overflow, and “Incorrect Calculation of Buffer Size” by remote access. Successful exploitation of this vulnerability can lead to arbitrary code execution. It could also impact Confidentiality, Integrity, and Availability.

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS).

Affected products

AFF BIOS - A700s
FAS/AFF BIOS - 8300/8700/A400/C400
FAS/AFF BIOS - A250/500f/C250
FAS/AFF BIOS - A320
FAS/AFF BIOS - A800/C800
NetApp HCI Storage Node BIOS

References

https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m ↗

What to do

Compare your installed product and version against the affected list above and the official advisory's affected-versions table.
Apply the fixed release named in the official advisory, or the documented workaround if no fix ships yet.
Limit management-plane exposure (BMC/management interfaces, web UIs, SNMP) until patched.
Track follow-ups in the site CVE index and the security RSS feed.