---
cve: "CVE-2026-86573"
severity: "MEDIUM"
cvss: 5.1
epss: "0.1%"
vendor: "Hitachi"
kev: false
exploited: false
published: "2026-10-14 02:17:01"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-11-10T05:06:35+01:00"
---

# CVE-2026-86573

> 5.1 MEDIUM

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **Hitachi**
- State: PUBLISHED
- Stand: 2026-10-18 13:54:09
- CNA-CVSS: **5.1** (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Gering | warn |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-787** — Out-of-bounds Write
  The product writes data past the end, or before the beginning, of the intended buffer.

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-86573/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_