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NTAP-20261014-0003 — CVE-2026-69522 .NET Vulnerability in NetApp Products

Published 2026-10-14 · Updated 2026-10-14 · Status: Interim · Exploitation: Public · Severity: HIGH 8.8 · ONTAP affected: Yes

Official advisory: NTAP-20261014-0003 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: ONTAP · SnapCenter · Other NetApp products | ONTAP-relevant | highest CVSS: 8.8

CVEs in this advisory

CVE-2026-69522 — HIGH · CVSS 8.8 · site index

What the CVE records say

CVE-2026-69522 — Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

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

NetApp ONTAP PowerShell Toolkit (PSTK)
ONTAP tools for VMware vSphere 10
SnapCenter Plug-in for VMware vSphere
SnapGathers

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69522 ↗

What to do

Check the affected products listed above against the official advisory's affected-versions table — that is where the exact ONTAP 9 release, ONTAP tool, or management product versions are named.
If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
Harden in parallel: security hardening baseline and ransomware protection on ONTAP.