CVE-2026-86573

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.

CVSS 3.1

5.1CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-25)

CWE

CWE-787

Published

2026-10-14

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

References

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

Check your stackJSON