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PatchSiren cyber security CVE debrief

CVE-2026-76659 Hewlett Packard Enterprise CVE debrief

CVE-2026-76659 is a high-severity denial-of-service vulnerability in the finger daemon of HPE NonStop TCP/IP UTILITIES. Defenders should assess exposure, prioritize verification of affected systems, specifically HPE NonStop TCP/IP UTILITIES version T8602L01^BAA and earlier, and consider compensating controls. The CVE record and source item provide limited information about the vulnerability, including its existence, impact, and affected versions. Further verification is required to determine the full scope of the vulnerability.

Vendor
Hewlett Packard Enterprise
Product
HPE NonStop TCP/IP UTILITIES
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-15
Original CVE updated
2026-10-15
Advisory published
2026-10-15
Advisory updated
2026-10-15

Who should care

Defenders responsible for HPE NonStop TCP/IP UTILITIES systems, operators, and security teams should assess exposure and prioritize verification of affected systems, specifically HPE NonStop TCP/IP UTILITIES version T8602L01^BAA and earlier. They should also consider compensating controls for potential impact and review relevant monitoring, detection, and logs for exposed assets that need extra review.

Why it matters

CVE-2026-76659 is a high-severity denial-of-service vulnerability in HPE NonStop TCP/IP UTILITIES that requires verification of affected systems and consideration of compensating controls.

  • Potential denial-of-service attacks against HPE NonStop TCP/IP UTILITIES
  • Need to verify affected versions and exposure
  • Prioritize compensating controls for potential impact

Technical summary

A vulnerability in the finger daemon of HPE NonStop TCP/IP UTILITIES could allow an unauthenticated remote attacker to cause a denial of service. The affected version is T8602L01^BAA and earlier. This vulnerability requires verification of affected systems and consideration of compensating controls. Defenders should prioritize verification of affected systems, specifically HPE NonStop TCP/IP UTILITIES version T8602L01^BAA and earlier.

Defensive priority

Defenders should prioritize verification of affected systems, specifically HPE NonStop TCP/IP UTILITIES version T8602L01^BAA and earlier, and consider compensating controls.

Recommended defensive actions

  • Verify if HPE NonStop TCP/IP UTILITIES version T8602L01^BAA or earlier is in use
  • Assess exposure to potential denial-of-service attacks
  • Consider compensating controls to mitigate potential impact

Evidence notes

The CVE record and source item provide limited information about the vulnerability, including its existence, impact, and affected versions. Further verification is required to determine the full scope of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-76659 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-76659

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-76659 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-76659

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.