major vulnerability· requires attention

Affects enterprise SD‑WAN edge gateways; authenticated root command execution can disrupt network infrastructure and operations across organizations.

Networks

CVE-2026-76678

8.8

High

EPSS 0.63%Patch available

Authenticated privilege escalation to root on HPE EdgeConnect SD‑WAN gateways.

exploited

No known exploitation not in CISA KEV as of our last sync

fix

Patch available see the advisory in the references

likelihood

EPSS 0.63%top 50% of scored CVEs

Published 15 Sept 2026Analysed here 17 Sept 2026CVSS scored by the publisher (CNA)

common questions

Is CVE-2026-76678 being exploited?

Not confirmed. CVE-2026-76678 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.63% probability of exploitation in the next 30 days.

How severe is CVE-2026-76678?

CVE-2026-76678 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-76678?

Yes. A fix has been recorded for CVE-2026-76678. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-76678 affect?

CVE-2026-76678 affects HPE EdgeConnect SD‑WAN Gateways. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-76678?

Apply HPE advisory updates/mitigations; restrict API/admin access and monitor logs.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary

technical analysis

affected

HPE EdgeConnect SD‑WAN Gateways

impact

Authenticated low‑priv attacker can escalate to root and execute arbitrary system commands, enabling full device compromise and network traffic manipulation.

action required

Immediate action required

affected versions

Hewlett Packard Enterprise (HPE) EdgeConnect SD-WAN Gateways

affected<= 9.7.0.0
affected>= 9.6.0.0 and <= 9.6.3.1
affected>= 9.5.0.0 and <= 9.5.8.1
affected>= 9.4.0.0 and <= 9.4.8.2

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

cisa ssvc

exploitation: none
automatable: no
technical impact: total

Assessed by CISA 21 Sept 2026 (SSVC 2.0.3).

timeline

15 Sept 2026Published
17 Sept 2026Analysed by vulneraibility.com · 2 days later
21 Sept 2026CISA SSVC assessment: exploitation none · 4 days later
21 Sept 2026CVE record last updated · same day later

how to fix

Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.

references

NVD CVE.org CVE Details Source

1 reference in the CVE record: 1 link

Linksupport.hpe.com /hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US

sources

CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
NVD: CVSS and CPE data
CISA Vulnrichment (ADP): SSVC decision points
FIRST EPSS: exploit probability and percentile
Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.

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