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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86573
StatePUBLISHED
AssignerHitachi
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-14 02:17:01 UTC
Updated2026-10-18 14:16:57 UTC
DescriptionOut-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.

Risk And Classification

Primary CVSS: v3.1 5.1 MEDIUM from [email protected]

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

EPSS: 0.001340000 probability, percentile 0.026050000 (date 2026-10-16)

Problem Types: CWE-787 | CWE-787 CWE-787 Out-of-bounds write

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.1MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
3.1CNACVSS5.1MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Hitachi Hitachi Disk Array Driver For AIX affected 01-00 01-23-/A custom Not specified
CNA Hitachi Hitachi Disk Array Driver For Virtual I/O Server affected 01-04 01-23-/A custom Not specified

References

ReferenceSourceLinkTags
www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/... [email protected] www.hitachi.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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