CVE-2026-15431

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 99% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: None knownExposed: 0

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

A potential security vulnerability has been identified in the HP Support Assistant for versions prior to 9.53.2.0. The vulnerability could potentially allow a local attacker to escalate privileges due to insufficient access controls.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity73% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

September 3, 2026

Last Modified

September 8, 2026

References (1)

Vendor Advisories for CVE-2026-15431(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 23× in last 7d / 53× 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. 2026-09-19 07:02 UTCGHSA enrichment
  2. 2026-09-18 19:33 UTCGHSA enrichment
  3. 2026-09-18 08:03 UTCGHSA enrichment
  4. 2026-09-17 20:33 UTCEG score recompute
  5. 2026-09-17 20:33 UTCGHSA enrichment
  6. 2026-09-17 08:49 UTCGHSA enrichment
  7. 2026-09-16 21:20 UTCEG score recompute
  8. 2026-09-16 21:20 UTCGHSA enrichment
  9. 2026-09-16 14:07 UTCEPSS rescore
  10. 2026-09-16 09:03 UTCEG score recompute
  11. 2026-09-16 09:03 UTCGHSA enrichment
  12. 2026-09-16 05:14 UTCEPSS rescore
  13. 2026-09-15 20:53 UTCGHSA enrichment
  14. 2026-09-15 09:09 UTCEG score recompute
  15. 2026-09-15 09:09 UTCGHSA enrichment
  16. 2026-09-14 21:39 UTCGHSA enrichment
  17. 2026-09-14 10:09 UTCGHSA enrichment
  18. 2026-09-13 22:40 UTCEG score recompute
  19. 2026-09-13 22:40 UTCGHSA enrichment
  20. 2026-09-13 16:46 UTCEPSS rescore
  21. 2026-09-13 11:10 UTCGHSA enrichment
  22. 2026-09-12 23:41 UTCGHSA enrichment
  23. 2026-09-12 12:11 UTCGHSA enrichment
  24. 2026-09-12 00:41 UTCEG score recompute
  25. 2026-09-12 00:41 UTCGHSA enrichment
Show 28 more
  1. 2026-09-11 14:52 UTCEPSS rescore
  2. 2026-09-11 13:11 UTCEG score recompute
  3. 2026-09-11 13:11 UTCGHSA enrichment
  4. 2026-09-11 09:36 UTCEPSS rescore
  5. 2026-09-11 01:41 UTCGHSA enrichment
  6. 2026-09-10 14:11 UTCEG score recompute
  7. 2026-09-10 14:11 UTCGHSA enrichment
  8. 2026-09-10 09:34 UTCEPSS rescore
  9. 2026-09-10 02:41 UTCGHSA enrichment
  10. 2026-09-09 15:11 UTCGHSA enrichment
  11. 2026-09-09 03:41 UTCEG score recompute
  12. 2026-09-09 03:41 UTCGHSA enrichment
  13. 2026-09-08 22:00 UTCEPSS rescore
  14. 2026-09-08 16:12 UTCGHSA enrichment
  15. 2026-09-08 02:56 UTCGHSA enrichment
  16. 2026-09-07 15:26 UTCGHSA enrichment
  17. 2026-09-07 03:57 UTCGHSA enrichment
  18. 2026-09-06 16:28 UTCGHSA enrichment
  19. 2026-09-06 04:57 UTCGHSA enrichment
  20. 2026-09-05 17:28 UTCEG score recompute
  21. 2026-09-05 17:28 UTCGHSA enrichment
  22. 2026-09-05 05:57 UTCGHSA enrichment
  23. 2026-09-04 18:28 UTCEG score recompute
  24. 2026-09-04 18:27 UTCGHSA enrichment
  25. 2026-09-04 06:53 UTCGHSA enrichment
  26. 2026-09-03 19:20 UTCEG score recompute
  27. 2026-09-03 18:31 UTCEG score recompute
  28. 2026-09-03 18:28 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-15431?
CVE-2026-15431 is a high vulnerability published on September 3, 2026. A potential security vulnerability has been identified in the HP Support Assistant for versions prior to 9.53.2.0. The vulnerability could potentially allow a local attacker to escalate privileges due to insufficient access controls.
When was CVE-2026-15431 disclosed?
CVE-2026-15431 was first published in the National Vulnerability Database on September 3, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15431 actively exploited?
CVE-2026-15431 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 99.4% of all scored CVEs.
What is the CVSS score of CVE-2026-15431?
CVE-2026-15431 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-15431?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15431, 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

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