How severe is CVE-2026-76746?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Vulnerability in Hewlett Packard Enterprise (HPE) Aos-Switch (Aos-S)

CVE-2026-76746

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.

Published 2026-10-06 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Hewlett Packard Enterprise (HPE) Aos-Switch (Aos-S)

References

support.hpe.com/hpesc/public/docDisplay

Frequently asked questions

What is CVE-2026-76746?: CVE-2026-76746 is a critical-severity vulnerability in Hewlett Packard Enterprise (HPE) Aos-Switch (Aos-S). CVSS score: 9.3/10. Published 2026-10-06.
How severe is CVE-2026-76746?: Critical severity. CVSS v3 base score is 9.3 out of 10.