๐Ÿ” CVE Alert

CVE-2026-86574

CRITICAL 9.8

Heap-based Buffer Overflow Vulnerability in JP1/Base

CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th

Heap-based Buffer Overflow Vulnerability in JP1/Base. This issue affects JP1/Base: from 11-00 before 12-50-54.

CWE CWE-122
Vendor hitachi
Product jp1/base
Published Oct 27, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Hitachi / JP1/Base
11-00 < 12-50-54

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
hitachi.com: https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-156/index.html