CVE-2026-87660
An improper file permission and missing authorization vulnerability exists in the diagnostic kernel module su…
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.
- Vendor
- broadcom
- Product
- fabric operating system
- CVSS 3.1
- 7.1 (high), scored by NVD (primary)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- CVSS 4.0
- 7 (high), scored by sirt@brocade.comCVSS: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:X/V:X/RE:X/U:X
- CWE
- CWE-732
- Published
- 2026-10-08
- NVD modified
- 2026-10-14
- NVD status
- Analyzed
Not in the CISA KEV catalogue at the last update.
EPSS
0.11% chance of exploitation in the next 30 days (percentile 1st)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
References
- support.broadcom.com (Vendor Advisory)
Data last updated 18 Oct 2026. Sources: NVD API 2.0, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.