CVE-2026-86573

Out-of-bounds Write Vulnerability in Hitachi Disk Array Driver for AIX, Hitachi Disk Array Driver for Virtual I/O Server

Published Oct 14, 2026 CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Hitachi
Hitachi hitachi Disk Array Driver For Aix
Hitachi hitachi Disk Array Driver For Virtual I/o Server
Vendors & Products Hitachi
Hitachi hitachi Disk Array Driver For Aix
Hitachi hitachi Disk Array Driver For Virtual I/o Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Out-of-bounds Write Vulnerability in Hitachi Disk Array Driver for AIX, Hitachi Disk Array Driver for Virtual I/O Server
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 5.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Hitachi
Published
Updated
Oct 18, 2026, 1:54 PM
Reserved
Sep 8, 2026, 5:39 AM
Status
Deferred
Published
Oct 14, 2026, 2:17 AM
Modified
Oct 18, 2026, 2:16 PM