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UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-76656

A vulnerability in HPE NonStop TCP/IP UTILITIES could allow an unauthenticated remote attacker to cause a denial of service when traceroute is executed under certain conditions.

MEDIUM 5.3EPSS 0.16%

Does this matter?

Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability in HPE NonStop TCP/IP UTILITIES could allow an unauthenticated remote attacker to cause a denial of service when traceroute is executed under certain conditions.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
0.16% probability · 5th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-306
Source
security-alert@hpe.com
EPSS trend
0%3%5%15 October 2026: 0.16%26 October 2026: 0.16%15 October 202626 October 2026

EPSS moved from 0.2% on 15 October 2026 to 0.2% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.