What is CVE-2026-76674?

CVE-2026-76674 is a critical-severity vulnerability in Arubanetworks Edgeconnect Sd-Wan Orchestrator, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-09-15.

How severe is CVE-2026-76674?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Arubanetworks Edgeconnect Sd-Wan Orchestrator

CVE-2026-76674

Buffer overflow vulnerabilities exist in the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated remote attacker to execute arbitrary code. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system leading to complete system compromise.

Vulnerability class: Buffer Overflow

Published 2026-09-15 · last modified 2026-09-28.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (63.2th percentile), scored 2026-10-31.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Arubanetworks Edgeconnect Sd-Wan Orchestrator — versions 9.7.0
HPE Edgeconnect Operating System — versions 9.7.0.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

support.hpe.com/hpesc/public/docDisplay (Vendor Advisory)

Frequently asked questions

What is CVE-2026-76674?: CVE-2026-76674 is a critical-severity vulnerability in Arubanetworks Edgeconnect Sd-Wan Orchestrator, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-09-15.
How severe is CVE-2026-76674?: Critical severity. CVSS v3 base score is 9.8 out of 10.