High severity · published Oct 22, 2026
CVE-2026-79891
Unauthenticated Buffer Overflow Vulnerability leads to Remote Code Execution in AOS-8
New
8.1
CVSS
0.6%
EPSS
No
On KEV
Description
A buffer overflow vulnerability exists in the command line interface of AOS-8 that could allow an unauthenticated remote attacker to run arbitrary commands on the underlying host 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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% 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)
8.13.0.0 through 8.13.3.0; 8.10.0.0 through 8.10.0.23 · source: vendor
Affected product
AA
ArubaOS (AOS)
Hewlett Packard Enterprise (HPE)
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CVE-2026-79848
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Unauthenticated Buffer Overflow Vulnerabilities leads to Remote Code Execution in AOS-10