Privilege escalation in Arubanetworks Fabric Composer

CVE-2026-73747

A local privilege-escalation vulnerability has been discovered in HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user with local access to elevate their user privileges and make limited modifications on the affected system.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-73747: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73747?
CVE-2026-73747 is a low-severity vulnerability in Arubanetworks Fabric Composer, classified under Improper Privilege Management. CVSS score: 2.5/10. Published 2026-09-01.
How severe is CVE-2026-73747?
Low severity. CVSS v3 base score is 2.5 out of 10.