---
title: "CVE-2026-86577: JP1 Products - Out-of-Bounds Write Vulnerability"
description: "JP1 Products including Integrated Management 3, Automatic Job Management System 3 (Manager and Agent), and JP1/Base contain an out-of-bounds write vulnerability caused by improper memory handling, letting attackers potentially corrupt memory, exploit requires no special privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-86577/
---

# CVE-2026-86577 JP1 Products - Out-of-Bounds Write Vulnerability

JP1 Products including Integrated Management 3, Automatic Job Management System 3 (Manager and Agent), and JP1/Base contain an out-of-bounds write vulnerability caused by improper memory handling, letting attackers potentially corrupt memory, exploit requires no special privileges.

CVSS base score 9.4 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.46% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-86577)

## Details

Type

Out-of-Bounds Write Vulnerability

Impact

Remote Code Execution, Denial Of Service

CVSS vector

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

Published

27 October 2026

Updated

29 October 2026

Weakness

[CWE-787](https://cwe.mitre.org/data/definitions/787.html)

## Vendor fix

Update to JP1 Integrated Management 3 version 13-50-31 or later, Automatic Job Management System 3 version 13-50-31 or later, and JP1/Base version 12-50-54 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-86577](https://nvd.nist.gov/vuln/detail/CVE-2026-86577)
- [https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-155/index.html](https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-155/index.html)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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