---
title: "CVE-2026-87674: Brocade Fabric OS - Privilege Escalation"
description: "Brocade Fabric OS < 9.2.2d and 10.0.0 through 10.0.0a1 contains a local privilege escalation caused by insufficient access controls and improper input sanitization in the system logging daemon's IPC channels, letting unprivileged local users execute arbitrary directives with elevated privileges, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-87674/
---

# CVE-2026-87674 Brocade Fabric OS - Privilege Escalation

Brocade Fabric OS < 9.2.2d and 10.0.0 through 10.0.0a1 contains a local privilege escalation caused by insufficient access controls and improper input sanitization in the system logging daemon's IPC channels, letting unprivileged local users execute arbitrary directives with elevated privileges, exploit requires local access.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.11% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-87674)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation, Remote Code Execution

CVSS vector

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

Published

8 October 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to version 9.2.2d or later, or 10.0.0a2 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-2026-87674](https://nvd.nist.gov/vuln/detail/CVE-2026-87674)
- [https://support.broadcom.com/external/content/SecurityAdvisories/0/39145](https://support.broadcom.com/external/content/SecurityAdvisories/0/39145)

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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

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