CVE-2026-86574

Heap-based Buffer Overflow Vulnerability in JP1/Base

CRITICAL
9.8
CVSS Score
Published: October 27, 2026 at 09:37 AM UTC
Updated: October 27, 2026 at 03:00 PM UTC
1 product affected across 1 vendorJP1/Base

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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.5%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

9.8CRITICALHitachi
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122

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