HPE Users Urged to Audit Systems for Critical CVE-2026-79849 Vulnerability in Versions Prior to 8.13.3

Hewlett Packard Enterprise has a critical vulnerability affecting systems running software versions up to 8.13.3.0 and up to 8.10.0.23. The National Vulnerability Database assigned CVE-2026-79849 a maximum CVSS score of 10.0, indicating severe risk to affected infrastructure.

What happened

The National Vulnerability Database published a record for CVE-2026-79849, identifying a flaw in Hewlett Packard Enterprise products. The record lists affected versions as those up to 8.13.3.0 and up to 8.10.0.23. The NVD description field contains no text, providing no details on the nature of the weakness or how it might be exploited.

The severity rating of 10.0 classifies the issue as critical. This high score suggests the flaw could allow complete system compromise without authentication or with minimal effort, based on standard CVSS metrics. However, without a vendor description, the specific attack vector remains unknown to the public.

Why it matters

A CVSS score of 10.0 demands immediate attention from security teams managing HPE infrastructure. The lack of a public description makes risk assessment difficult, as teams cannot determine if the flaw is remotely exploitable or requires local access.

This situation mirrors earlier incidents where lack of detail increased uncertainty. For instance, Patch Gazette reported on October 22, 2026, that Shadowserver detected exploitation of an SQL injection flaw in i-Netsolution MLM software, which was rated high severity. In that case, active exploitation was observed despite limited initial detail. Similarly, on October 21, 2026, Patch Gazette noted a critical arbitrary file write vulnerability in Totolink X2000R firmware, CVE-2026-9827, which allowed authenticated remote code execution. These examples highlight the importance of acting quickly on critical scores even when details are sparse.

What to watch

• Monitor HPE security advisories for a formal description of CVE-2026-79849.
• Check internal logs for unusual activity on systems running versions up to 8.13.3.0.
• Watch for third-party analysis that may provide technical context for the missing NVD description.
• Track any changes to the CVSS score as more information becomes available.

Who needs to act first

Teams should prioritize systems with the highest network exposure. Identify all HPE instances running versions up to 8.13.3.0 or 8.10.0.23 immediately. Isolate critical assets that cannot be patched yet to limit potential blast radius. Verify that backup systems are current before attempting any configuration changes. Use network segmentation to restrict access to vulnerable services. Monitor traffic patterns for anomalies that might indicate exploitation attempts. Coordinate with vendor support channels to stay informed about potential mitigations or future updates.

Background: CVSS score

The CVSS score explains vulnerability severity using a 0.0 to 10.0 scale. It measures attack vector, complexity, privileges required, and impact on confidentiality, integrity, and availability. You use this metric to prioritize patches, though you must adjust it for your specific environment to avoid wasting time on irrelevant threats.

Read the full guide: CVSS Score Explained: How to Read Risk Metrics and Prioritize Fixes

What to do and how to stay safe: HPE

• Audit your environment to identify all HPE systems running versions up to 8.13.3.0 or 8.10.0.23.
• Restrict network access to these systems to trusted sources only until more information is available.
• Enable enhanced logging on affected hosts to detect potential exploitation attempts.
• Prepare an incident response plan in case signs of compromise appear on vulnerable systems.

Step-by-step guide: Virtual Patching Myths: What It Actually Fixes and Breaks

General security guidance from the Patch Gazette newsroom. It is not confirmed advice from the organisations named in this story.

Frequently asked questions

Which HPE versions are affected by CVE-2026-79849?

Versions up to 8.13.3.0 and up to 8.10.0.23 are listed as affected in the NVD record.

Is there a fix available for CVE-2026-79849?

No fix has been confirmed yet, as no vendor advisory or patch information is provided in the source material.

What is the severity of CVE-2026-79849?

The National Vulnerability Database rates CVE-2026-79849 as critical with a CVSS score of 10.0.