CVE-2026-76746

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreHIGH confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-10-06. A secondary CVSS source baseline 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.3EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 9.3Exploit: None knownExposed services: Not assessed

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

An unauthenticated buffer overflow vulnerability exists in AOS-S. Successful exploitation could allow an unauthenticated adjacent attacker to expose sensitive memory contents and cause a denial of service on the affected device.

CVSS v3
9.3
EG Score
9.3CRITICALhigh confidence
EG Risk
42
EG Risk 42/100CISA SSVC

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
Severity93% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
8th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

October 6, 2026

Last Modified

October 7, 2026

Advisory Details (1)

Auto-updated Oct 8, 2026
No fix on record yet.
generic
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05156en_us&docLocale=en_US

Vendor Advisories for CVE-2026-76746(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 32× in last 7d / 32× 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. 2026-10-09 23:27 UTCEG score recompute
  2. 2026-10-09 23:27 UTCGHSA enrichment
  3. 2026-10-09 20:07 UTCEPSS rescore
  4. 2026-10-09 19:14 UTCGHSA enrichment
  5. 2026-10-09 15:01 UTCGHSA enrichment
  6. 2026-10-09 10:25 UTCGHSA enrichment
  7. 2026-10-09 06:10 UTCGHSA enrichment
  8. 2026-10-09 01:57 UTCGHSA enrichment
  9. 2026-10-08 21:43 UTCGHSA enrichment
  10. 2026-10-08 17:31 UTCEG score recompute
  11. 2026-10-08 17:31 UTCGHSA enrichment
  12. 2026-10-08 17:13 UTCEPSS rescore
  13. 2026-10-08 13:17 UTCGHSA enrichment
  14. 2026-10-08 09:01 UTCGHSA enrichment
  15. 2026-10-08 04:49 UTCGHSA enrichment
  16. 2026-10-08 00:36 UTCEG score recompute
  17. 2026-10-08 00:36 UTCGHSA enrichment
  18. 2026-10-07 23:48 UTCEPSS rescore
  19. 2026-10-07 20:24 UTCEG score recompute
  20. 2026-10-07 20:24 UTCGHSA enrichment
  21. 2026-10-07 19:32 UTCEG score recompute
  22. 2026-10-07 19:32 UTCGHSA enrichment
  23. 2026-10-07 19:03 UTCGHSA enrichment
  24. 2026-10-07 14:50 UTCGHSA enrichment
  25. 2026-10-07 13:31 UTCGHSA enrichment
Show 7 more
  1. 2026-10-07 09:18 UTCGHSA enrichment
  2. 2026-10-07 05:01 UTCGHSA enrichment
  3. 2026-10-07 00:48 UTCEG score recompute
  4. 2026-10-07 00:48 UTCGHSA enrichment
  5. 2026-10-06 20:34 UTCEG score recompute
  6. 2026-10-06 19:17 UTCEG score recompute
  7. 2026-10-06 19:16 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-76746?
CVE-2026-76746 is a critical vulnerability published on October 6, 2026. An unauthenticated buffer overflow vulnerability exists in AOS-S. Successful exploitation could allow an unauthenticated adjacent attacker to expose sensitive memory contents and cause a denial of service on the affected device.
When was CVE-2026-76746 disclosed?
CVE-2026-76746 was first published on October 6, 2026, with the most recent update on October 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76746 actively exploited?
CVE-2026-76746 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (8th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-76746?
CVE-2026-76746 has a CVSS base score of 9.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-76746?
No fix for CVE-2026-76746 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-76746 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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