Critical severity · published Sep 29, 2026
CVE-2026-76723
Unauthenticated Adjacent Buffer Overflow Vulnerabilities lead to Remote Code Execution in HPE Networking Instant ON APS
9.6
CVSS
0.3%
EPSS
No
On KEV
Description
Buffer overflow vulnerabilities exist in the affected interface of HPE Networking Instant ON APS that could allow an unauthenticated adjacent attacker to achieve remote code execution. Successful exploitation could allow an attacker to execute arbitrary commands 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 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
Instant ON · Hewlett Packard Enterprise (HPE)
0.0.0.0 through 3.4.1.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76723
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76723
support.hpe.com
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US
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