CVE-2026-86573CWE-787

CVE-2026-86573

Medium · published October 14, 2026

CVSS v3.1
5.1
EPSS
0%
Percentile
2.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.1 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00134 · 2.7th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-10-14T06:17Z
References (1)
https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-137/index.html · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 0%
    epss
  • 14 OCT 01:46Z
    Out-of-bounds Write Vulnerability in Hitachi Disk Array Driver for AIX, Hitachi Disk Array Driver for Virtual I/O Server
    cvelistv5
  • 14 OCT 01:46Z
    Out-of-bounds Write Vulnerability in Hitachi Disk Array Driver for AIX, Hitachi Disk Array Driver for Virtual I/O Server
    cvelistv5