What is CVE-2026-44859?

CVE-2026-44859 is a high-severity vulnerability in Arubanetworks Arubaos, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2026-05-12.

How severe is CVE-2026-44859?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Arubanetworks Arubaos

CVE-2026-44859

Stack-based buffer overflow vulnerabilities exist in several underlying management service components accessed through the command-line interface of the AOS-8 and AOS-10 Operating Systems. An authenticated attacker with administrative priv…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (27.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Arubanetworks Arubaos
Arubanetworks Sd-wan
Hewlett Packard Enterprise (Hpe) Hpe Aruba Networking Wireless Operating System (Aos) — versions 8.13.0.0, 8.12.0.0, 8.10.0.0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

security-alert@hpe.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-44859?: CVE-2026-44859 is a high-severity vulnerability in Arubanetworks Arubaos, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2026-05-12.
How severe is CVE-2026-44859?: High severity. CVSS v3 base score is 7.2 out of 10.