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 ↗

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

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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