CVE-2026-76699

MEDIUMPre-NVD 6.46.4—
EchelonGraph scoreHIGH confidence

Score 6.4 from GitHub Security Advisory published 2026-09-15. a secondary CVSS source baseline 6.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.4Exploit: None knownExposed: 0

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

A buffer overflow vulnerability exists in a system service within the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated adjacent attacker to cause a denial-of-service. Successful exploitation could allow an attacker to crash the impacted service and temporarily disrupting network operations.

CVSS v3
6.4
EG Score
6.4(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity64% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 22, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US

Vendor Advisories for CVE-2026-76699(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 / 30× 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 18:14 UTCEG score recompute
  2. 2026-09-24 18:14 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 19:17 UTCEG score recompute
  5. 2026-09-23 19:17 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-22 19:35 UTCEG score recompute
  8. 2026-09-22 19:35 UTCGHSA enrichment
  9. 2026-09-22 18:34 UTCEG score recompute
  10. 2026-09-22 18:34 UTCGHSA enrichment
  11. 2026-09-22 16:01 UTCEPSS rescore
  12. 2026-09-22 13:16 UTCEG score recompute
  13. 2026-09-22 13:16 UTCGHSA enrichment
  14. 2026-09-21 21:09 UTCEPSS rescore
  15. 2026-09-21 14:19 UTCEG score recompute
  16. 2026-09-21 14:19 UTCGHSA enrichment
  17. 2026-09-20 20:16 UTCEPSS rescore
  18. 2026-09-20 15:23 UTCGHSA enrichment
  19. 2026-09-19 16:27 UTCEG score recompute
  20. 2026-09-19 16:27 UTCGHSA enrichment
  21. 2026-09-18 19:28 UTCEPSS rescore
  22. 2026-09-18 17:31 UTCEG score recompute
  23. 2026-09-18 17:31 UTCGHSA enrichment
  24. 2026-09-17 18:34 UTCGHSA enrichment
  25. 2026-09-16 19:33 UTCEG score recompute
Show 5 more
  1. 2026-09-16 19:33 UTCGHSA enrichment
  2. 2026-09-16 14:08 UTCEPSS rescore
  3. 2026-09-15 20:39 UTCEG score recompute
  4. 2026-09-15 19:33 UTCEG score recompute
  5. 2026-09-15 19:32 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-76699?
CVE-2026-76699 is a medium vulnerability published on September 15, 2026. A buffer overflow vulnerability exists in a system service within the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated adjacent attacker to cause a denial-of-service. Successful exploitation could allow an attacker to crash the impacted…
When was CVE-2026-76699 disclosed?
CVE-2026-76699 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76699 actively exploited?
CVE-2026-76699 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 89.2% of all scored CVEs.
What is the CVSS score of CVE-2026-76699?
CVE-2026-76699 has a CVSS v3 base score of 6.4 (NVD).
How do I remediate CVE-2026-76699?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76699, 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-2026-76699

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