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Vulnerability record · CVE-2026-87660 · published 8 October 2026

CVE-2026-87660: Incorrect permission assignment vulnerability

An improper file permission and missing authorization vulnerability exists in the diagnostic kernel module subsystem of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An unprivileged local user can invoke privileged hardware tests, force system error conditions, reset hardware blades, or disrupt storage fabric operations.

7.0 CVSS 4.0 High EPSS 0.13% · top 97.9% CWE-732 · Incorrect permission assignment Awaiting Analysis
7.0CVSS 4.0 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
8 Oct 2026Last modified by NVD

Description

An improper file permission and missing authorization vulnerability exists in the diagnostic kernel module subsystem of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An unprivileged local user can invoke privileged hardware tests, force system error conditions, reset hardware blades, or disrupt storage fabric operations.

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://support.broadcom.com/external/content/SecurityAdvisories/0/39155

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Source: NIST National Vulnerability Database (record CVE-2026-87660), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.