High severity · published May 12, 2026
CVE-2026-44856
Authenticated Stack-Based Buffer Overflow in PAPI Services
7.2
CVSS
0.4%
EPSS
No
On KEV
Description
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 privileges could exploit these vulnerabilities by sending specially crafted requests to the affected services. Successful exploitation could allow the attacker to execute arbitrary code with elevated privileges on the underlying operating system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HA
HPE Aruba Networking Wireless Operating System (AOS) · Hewlett Packard Enterprise (HPE)
8.13.0.0 through 8.13.1.1; 8.12.0.0 through 8.12.0.6; 8.10.0.0 through 8.10.0.21; 10.7.0.0 through 10.7.2.2; 10.8.0.0; 10.4.0.0 through 10.4.1.10 · source: vendor
AR
Arubaos · Arubanetworks
6.5.4.0 before 8.10.0.22; 8.11.0.0 before 8.12.0.7; 8.13.0.0 before 8.13.1.2; 10.4.0.0 before 10.4.1.11; 10.5.0.0 before 10.7.2.3 · source: NVD
SD
Sd-wan · Arubanetworks
8.6.0.4-2.2.0.0 through 8.6.0.4-2.2.0.7; 8.7.0.0-2.3.0.0 through 8.7.0.0-2.3.0.9 · source: NVD
Affected product
HA
HPE Aruba Networking Wireless Operating System (AOS)
Hewlett Packard Enterprise (HPE)
More from HPE Aruba Networking Wireless Operating System (AOS)
8.8
CVE-2026-44871
Authenticated Command Injection Vulnerabilities in Command Line Interface (CLI) Service Accessed by PAPI Protocol of AOS-8 and AOS-10 Operating Systems
8.8
CVE-2026-44870
Authenticated Command Injection Vulnerabilities in Command Line Interface (CLI) Service Accessed by PAPI Protocol of AOS-8 and AOS-10 Operating Systems
8.8
CVE-2026-44869
Authenticated Command Injection Vulnerabilities in the Web-Based Management Interface of AOS-8 and AOS-10
8.8
CVE-2026-44868
Authenticated Command Injection Vulnerabilities in the Web-Based Management Interface of AOS-8 and AOS-10
8.8
CVE-2026-44867
Authenticated Command Injection Vulnerabilities in the Web-Based Management Interface of AOS-8 and AOS-10