Critical severity · published Sep 29, 2026
CVE-2026-76722
Uncontrolled Format String Vulnerabilities lead to Remote Code Execution or Denial-of-Service in HPE Networking Instant ON APs
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
Uncontrolled Format string vulnerabilities exist in the affected interface of HPE Networking Instant ON APs that could allow an unauthenticated remote attacker to run arbitrary commands on the underlying host. Successful exploitation could result in a Denial-of-service or potential remote code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% 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-2026-76722
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76722
support.hpe.com
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US
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