High severity · published Sep 1, 2026
CVE-2026-73774
Unauthenticated Buffer Overflow Vulnerability leads to Sensitive Information Disclosure in AOS-CX
7.6
CVSS
0.3%
EPSS
No
On KEV
Description
A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated disclosure of sensitive information by sending specially crafted packets to the affected system. Successful exploitation of this vulnerability could result in limited disclosure or modification of information and disruption of the affected system.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AO
AOS-CX · Hewlett Packard Enterprise (HPE)
10.18.0000 through 10.18.0001; 10.17.0000 through 10.17.1021; 10.16.0000 through 10.16.1051; 10.13.0000 through 10.13.1180; 10.10.0000 through 10.10.1180 · source: vendor
AR
Arubaos-cx · Hpe
through 10.10.1180; 10.13.0000 through 10.13.1180; 10.16.0000 through 10.16.1051; 10.17.0000 through 10.17.1021; 10.18.0001 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73774
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73774
Patch
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US
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