CVE-2026-79864 Hewlett Packard Enterprise (HPE) CVE debrief

Who should care

Defenders responsible for HPE ArubaOS (AOS) systems, especially those exposed to adjacent networks, should assess exposure and prioritize patching or mitigation. This includes operators managing AOS-10 deployments, vulnerability management teams, and security teams reviewing compensating controls and monitoring for suspicious activity.

Why it matters

CVE-2026-79864 is a critical vulnerability in HPE ArubaOS (AOS) that allows unauthenticated adjacent attackers to inject commands. Defenders should prioritize patching or mitigating this vulnerability, especially for systems exposed to adjacent networks.

• Execute arbitrary commands as a privileged user.
• Bypass authentication and inject commands.
• Potentially gain elevated access to the system.
• Require verification of affected versions and remediation.

Technical summary

CVE-2026-79864 is a critical unauthenticated adjacent command injection vulnerability in AOS-10. Successful exploitation could allow an attacker to execute arbitrary commands as a privileged user on the underlying operating system. Affected versions include HPE ArubaOS (AOS) 10.8.0.0 through 10.8.1.1, 10.7.0.0 through 10.7.2.6, and 10.4.0.0 through 10.4.1.13. Defenders should prioritize patching or mitigating this vulnerability, especially for systems exposed to adjacent networks, and verify affected scope and vendor guidance.

Defensive priority

Defenders should prioritize patching or mitigating this vulnerability, especially for systems exposed to adjacent networks.

Recommended defensive actions

• Patch or upgrade affected HPE ArubaOS (AOS) systems to the latest version.
• Implement network segmentation to limit adjacent network access.
• Monitor systems for suspicious activity.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE Program and NVD provide official records of this vulnerability. HPE ArubaOS (AOS) versions 10.8.0.0 through 10.8.1.1, 10.7.0.0 through 10.7.2.6, and 10.4.0.0 through 10.4.1.13 are affected. Defenders should verify affected versions and review official advisories for specific patching guidance. Limited source detail is available; explicit evidence is required for verification.

Sources and 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.