OCTOBER 6, 2026
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Case File

CVE-2026-76721

CRITICAL · CVSS 9.8 EPSS 0.56% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-29 · Last synced 2026-10-06

CyberRota Analysis

AI-Generated

A buffer overflow vulnerability in the HPE Networking Instant ON interface allows unauthenticated remote attackers to execute arbitrary code on the host system. Successful exploitation could grant attackers privileged access to the underlying operating system, posing a significant risk to affected environments. Organizations using HPE Networking Instant ON should prioritize immediate remediation to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-76721
Severity
CRITICAL
CVSS
9.8
EPSS
0.56%

Original NVD 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.