CVE-2026-76676

CVE-2026-76676

Buffer overflow vulnerabilities exist in the underlying operating system of EdgeConnect SD-WAN Gateways that could allow an unauthenticated adjacent attacker to execute arbitrary code if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system leading to complete system compromise.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

References

Frequently asked questions

What is CVE-2026-76676?
CVE-2026-76676 is a high-severity vulnerability. CVSS score: 8.8/10. Published 2026-09-15.
How severe is CVE-2026-76676?
High severity. CVSS v3 base score is 8.8 out of 10.