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Vulnerability · Published Oct 22, 2026 · Assigned by hpe

CVE-2026-79863Unauthenticated Adjacent Buffer Overflow Vulnerabilities lead to Remote Code Execution

Critical 9.6

In plain English

A critical-severity buffer overflow in ArubaOS (AOS) from Hewlett Packard Enterprise (HPE). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.3%top 82.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Buffer overflow vulnerabilities in the affected interface of AOS-10 or AOS-8 could allow an unauthenticated adjacent attacker to execute arbitrary code by sending specially crafted data to the affected interface. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system.

Affected products (as reported)

VendorProductVersions
Hewlett Packard Enterprise (HPE) ArubaOS (AOS) 10.8.0.0 – through 10.8.1.110.7.0.0 – through 10.7.2.610.4.0.0 – through 10.4.1.138.13.0.0 – through 8.13.3.08.10.0.0 – through 8.10.0.23

Weakness: CWE-120 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References