All vulnerabilities
CVE-2026-76721

Unauthenticated Buffer Overflow Vulnerability leads to Remote Code Execution in HPE Networking Instant ON APs

Hewlett Packard Enterprise (HPE) Instant ON
CVSS
9.8Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.56%Chance of exploitation activity in the next 30 days, higher than 45% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published29 Sep 2026Updated 30 Sep 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Description

Buffer overflow vulnerability exists in the affected interface of HPE Networking Instant ON that could allow an unauthenticated remote attacker to run arbitrary code on the underlying host. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system.

Text from CVE List

Affected versions 1

  • Instant ONaffected: 0.0.0.0 through 3.4.1.0CVE List

References 1