CVE-2026-87660 Brocade Fabric OS - Broken Access Control

Brocade Fabric OS < 9.2.2d and 10.0.0 through 10.0.0a1 contain an improper file permission and missing authorization vulnerability in the diagnostic kernel module subsystem, letting unprivileged local users disrupt storage fabric operations and invoke privileged hardware tests, exploit requires local unprivileged user access.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Denial Of Service, Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-732

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

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