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CVE-2026-73766 Hewlett Packard Enterprise (HPE) CVE debrief

CVE-2026-73766 is a high-severity vulnerability in the AOS-CX API endpoint that could allow an authenticated remote attacker with administrative privileges to inject arbitrary commands. Successful exploitation could allow an attacker to execute arbitrary commands as a privileged user on the underlying operating system. Hewlett Packard Enterprise (HPE) has provided a vendor advisory with additional information.

Vendor
Hewlett Packard Enterprise (HPE)
Product
AOS-CX
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-01
Original CVE updated
2026-09-04
Advisory published
2026-09-01
Advisory updated
2026-09-04

Who should care

Administrators and security teams responsible for AOS-CX systems should assess exposure and prioritize patching. They should also review compensating controls, monitor for suspicious activity, and update incident response plans to include potential command injection attacks. Security teams should verify affected product deployments and review vendor advisories for additional information.

Why it matters

CVE-2026-73766 is a high-severity vulnerability in AOS-CX that requires prompt attention from administrators and security teams.

  • Verify command injection vulnerability
  • Patch AOS-CX systems promptly to prevent exploitation
  • Monitor API endpoint activity for suspicious requests
  • Update incident response plans to include potential command injection attacks

Technical summary

CVE-2026-73766 is a command injection vulnerability in the AOS-CX API endpoint that could allow an authenticated remote attacker with administrative privileges to inject arbitrary commands. Successful exploitation could allow an attacker to execute arbitrary commands as a privileged user on the underlying operating system. The vulnerability affects AOS-CX versions 10.10.1180, 10.13.1180, 10.16.1051, 10.17.1021, and 10.18.0001. Hewlett Packard Enterprise (HPE) has provided a vendor advisory with additional information.

Defensive priority

Administrators should prioritize patching AOS-CX versions 10.10.1180, 10.13.1180, 10.16.1051, 10.17.1021, and 10.18.0001.

Recommended defensive actions

  • Patch AOS-CX systems
  • Verify API endpoint access controls
  • Monitor for suspicious activity
  • Update documentation and training
  • Review compensating controls for exposed systems
  • Check relevant monitoring, detection, and logs for exposed assets
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability and its potential impact. The vulnerability affects AOS-CX versions 10.10.1180, 10.13.1180, 10.16.1051, 10.17.1021, and 10.18.0001. Defenders should verify affected product deployments and review vendor advisories for additional information. Evidence is limited to public sources and may not be comprehensive.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-73766 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-73766

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

  • CVE-2026-73766 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-73766

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

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.