CVE-2026-73740: Local Privilege Escalation in HPE Networking Fabric Composer
Vulnerability summary
CVE-2026-73740 is a medium (CVSS 4.4) Improper Privilege Management vulnerability in arubanetworks fabric_composer. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 2.8% of scored vulnerabilities.
Timeline
- 01-09-2026PublishedVulnerability first disclosed.
- 01-09-2026Last modifiedVulnerability information updated.
Description
A local privilege escalation vulnerability in HPE Networking Fabric Composer could allow an authenticated privileged user on the underlying host to elevate their user privileges to those of a higher role. A successful exploit allows the attacker to change the state of certain settings of the affected system.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
Increase +0.04 pp
From 0.09% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arubanetworks1 product
- fabric_composer≤ 7.3.3
Hewlett packard enterprise (hpe)1 product
- fabric composer≥ 7.0.0, ≤ 7.3.3
2 vendors · 2 products