CVE-2026-73740

MEDIUMPre-NVD 4.44.4—
EchelonGraph scoreHIGH confidence

Score 4.4 from GitHub Security Advisory published 2026-09-01. a secondary CVSS source baseline 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.4Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
4.4
EG Score
4.4(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity44% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

September 1, 2026

Last Modified

September 3, 2026

Advisory Details (1)

Auto-updated Sep 1, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-73740(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 52× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-24 10:16 UTCGHSA enrichment
  2. 2026-09-23 08:02 UTCEG score recompute
  3. 2026-09-23 08:02 UTCGHSA enrichment
  4. 2026-09-22 05:48 UTCGHSA enrichment
  5. 2026-09-21 03:34 UTCEG score recompute
  6. 2026-09-21 03:34 UTCGHSA enrichment
  7. 2026-09-20 20:16 UTCEPSS rescore
  8. 2026-09-20 01:20 UTCEG score recompute
  9. 2026-09-20 01:20 UTCGHSA enrichment
  10. 2026-09-18 23:06 UTCEG score recompute
  11. 2026-09-18 23:06 UTCGHSA enrichment
  12. 2026-09-18 19:28 UTCEPSS rescore
  13. 2026-09-17 20:52 UTCEG score recompute
  14. 2026-09-17 20:52 UTCGHSA enrichment
  15. 2026-09-16 18:38 UTCEG score recompute
  16. 2026-09-16 18:38 UTCGHSA enrichment
  17. 2026-09-16 14:08 UTCEPSS rescore
  18. 2026-09-16 05:15 UTCEPSS rescore
  19. 2026-09-15 15:56 UTCEG score recompute
  20. 2026-09-15 15:56 UTCGHSA enrichment
  21. 2026-09-15 03:12 UTCEPSS rescore
  22. 2026-09-14 13:42 UTCGHSA enrichment
  23. 2026-09-13 11:26 UTCEG score recompute
  24. 2026-09-13 11:26 UTCGHSA enrichment
  25. 2026-09-12 15:02 UTCEPSS rescore
Show 27 more
  1. 2026-09-12 09:12 UTCEG score recompute
  2. 2026-09-12 09:12 UTCGHSA enrichment
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-11 06:58 UTCEG score recompute
  5. 2026-09-11 06:58 UTCGHSA enrichment
  6. 2026-09-10 09:35 UTCEPSS rescore
  7. 2026-09-10 04:44 UTCGHSA enrichment
  8. 2026-09-09 02:30 UTCEG score recompute
  9. 2026-09-09 02:30 UTCGHSA enrichment
  10. 2026-09-08 22:01 UTCEPSS rescore
  11. 2026-09-08 00:15 UTCEG score recompute
  12. 2026-09-08 00:15 UTCGHSA enrichment
  13. 2026-09-06 22:01 UTCEG score recompute
  14. 2026-09-06 22:01 UTCGHSA enrichment
  15. 2026-09-06 13:48 UTCEPSS rescore
  16. 2026-09-05 19:46 UTCEG score recompute
  17. 2026-09-05 19:46 UTCGHSA enrichment
  18. 2026-09-04 17:32 UTCEG score recompute
  19. 2026-09-04 17:32 UTCGHSA enrichment
  20. 2026-09-04 05:07 UTCEPSS rescore
  21. 2026-09-03 15:18 UTCGHSA enrichment
  22. 2026-09-02 23:36 UTCEG score recompute
  23. 2026-09-02 23:36 UTCGHSA enrichment
  24. 2026-09-02 14:12 UTCEPSS rescore
  25. 2026-09-01 20:18 UTCEG score recompute
  26. 2026-09-01 19:49 UTCEG score recompute
  27. 2026-09-01 19:48 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-73740?
CVE-2026-73740 is a medium vulnerability published on September 1, 2026. 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…
When was CVE-2026-73740 disclosed?
CVE-2026-73740 was first published in the National Vulnerability Database on September 1, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73740 actively exploited?
CVE-2026-73740 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 97.4% of all scored CVEs.
What is the CVSS score of CVE-2026-73740?
CVE-2026-73740 has a CVSS v3 base score of 4.4 (NVD).
How do I remediate CVE-2026-73740?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73740, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-73740

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