CVE-2026-86573

medium

Assigned by CNA: hitachi

Published 2026-10-14 · Modified 2026-10-14

Discuss on Community Propose mitigation

CVSS v3

5.1

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.1

Description

Out-of-bounds write vulnerability in Hitachi Disk Array Driver for AIX and Hitachi Disk Array Driver for Virtual I/O Server. This issue affects Hitachi Disk Array Driver for AIX: from 01-00 before 01-23-/A; Hitachi Disk Array Driver for Virtual I/O Server: from 01-04 before 01-23-/A.

Predictions

Exploit likelihood

51%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

References

https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/index.html

CWEs

CWE-787

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.