Critical severity · published Oct 22, 2026
CVE-2026-79863
Unauthenticated Adjacent Buffer Overflow Vulnerabilities lead to Remote Code Execution
New
9.6
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
ArubaOS (AOS) · Hewlett Packard Enterprise (HPE)
10.8.0.0 through 10.8.1.1; 10.7.0.0 through 10.7.2.6; 10.4.0.0 through 10.4.1.13; 8.13.0.0 through 8.13.3.0; 8.10.0.0 through 8.10.0.23 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-79863
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-79863
support.hpe.com
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US
More from ArubaOS (AOS)
10.0
CVE-2026-79851
Unauthenticated Buffer Overflow Vulnerability leads to Remote Code Execution in AOS-10
10.0
CVE-2026-79850
Authentication Bypass Leading to Remote Code Execution in AOS-8
10.0
CVE-2026-79849
Unauthenticated SQL Injection Vulnerabilities allow Remote Code Execution in AOS-8
10.0
CVE-2026-79848
Unauthenticated SQL Injection Vulnerabilities allow Remote Code Execution in AOS-8
10.0
CVE-2026-79847
Unauthenticated Buffer Overflow Vulnerabilities leads to Remote Code Execution in AOS-10