CVE-2026-86574

Heap-based Buffer Overflow Vulnerability in JP1/Base

State: Published
Severity: 9.8 Critical
Published: Oct 27, 2026
Updated: Oct 27, 2026
Reserved: Sep 8, 2026

Description

Heap-based Buffer Overflow Vulnerability in JP1/Base.

This issue affects JP1/Base: from 11-00 before 12-50-54.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Hitachi

Weaknesses

CWE-122 Heap-based buffer overflow

Affected Products

Product	Versions
JP1/BaseHitachi	11-00 to before 12-50-54Affectedfrom 12-50-54Not affectedfrom 11-50-36Not affected

References

https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-156/index.htmlvendor-advisory

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