CVE-2026-86573

MediumCVSS 5.1

Published: 14/10/2026(UTC)Updated: 16/10/2026(UTC)Translated: 14/10/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.13%

3th percentile - higher than 3% of all known CVEs

Summary

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.

Risk Assessment

An out-of-bounds write can lead to memory corruption, system crashes, or potential arbitrary code execution. Systems with the vulnerable Hitachi Disk Array Driver installed are at risk.

Recommendation

Update Hitachi Disk Array Driver for AIX to version 01-23-/A or later and Hitachi Disk Array Driver for Virtual I/O Server to version 01-23-/A or later. Contact the vendor for details.

Other vulnerabilities in Hitachi Disk Array Driver

CVE-2026-82715High
Insecure Temporary File vulnerability in Hitachi Disk Array Driver for AIX and Virtual I/O Server. Affects versions from 01-00 before 01-23-/A for AIX and from 01-04 before 01-23-/A for Virtual I/O Server.

Original NVD description (English source)

Vulnerability data from NVD (NIST) · CISA KEV · EPSS