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PatchSiren cyber security CVE debrief

CVE-2026-79876 Hewlett Packard Enterprise (HPE) CVE debrief

CVE-2026-79876 is a sensitive information disclosure vulnerability in AOS-10 Wi-Fi frame processing. An unauthenticated adjacent attacker could access sensitive information, potentially gaining further access to network services or interrupting normal operation. This vulnerability affects AOS-10 deployments, and defenders should assess exposure and prioritize verification and patching of affected versions. The CVE record and source item provide details on the vulnerability, but additional information on exploitation, impact, and remediation may be needed for thorough assessment.

Vendor
Hewlett Packard Enterprise (HPE)
Product
ArubaOS (AOS)
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-22
Original CVE updated
2026-10-30
Advisory published
2026-10-22
Advisory updated
2026-10-30

Who should care

Defenders and network administrators responsible for AOS-10 deployments should assess exposure and prioritize verification and patching of affected versions. They should also monitor network services for unusual activity and implement compensating controls to limit adjacent network access. Additionally, security teams and vulnerability management teams should review the supplied official advisory or CVE record to validate affected scope, severity, and and

Why it matters

CVE-2026-79876 is a sensitive information disclosure vulnerability in AOS-10 Wi-Fi frame processing that could allow an unauthenticated adjacent attacker to access sensitive information. Defenders and network administrators responsible for AOS-10 deployments should assess exposure and prioritize verification and patching of affected versions.

  • Verify and patch affected AOS-10 versions to prevent potential information disclosure
  • Monitor network services for unusual activity to detect potential exploitation
  • Implement compensating controls to limit adjacent network access and reduce attack surface

Technical summary

A sensitive information disclosure vulnerability in AOS-10 Wi-Fi frame processing could allow an unauthenticated adjacent attacker to access sensitive information, potentially gaining further access to network services or interrupting normal operation. This vulnerability affects AOS-10 deployments, and defenders should assess exposure and prioritize verification and patching of affected versions. The vulnerability is related to Wi-Fi frame processing, and defenders should focus on verifying and patching affected versions, monitoring network services, and implementing compensating controls.

Defensive priority

Defenders should prioritize verifying and patching affected AOS-10 versions, monitoring network services for unusual activity, and implementing compensating controls to limit adjacent network access.

Recommended defensive actions

  • Verify and patch affected AOS-10 versions
  • Monitor network services for unusual activity
  • Implement compensating controls to limit adjacent network access
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and source item provide details on the vulnerability, but additional information on exploitation, impact, and remediation may be needed for thorough assessment. Defenders should verify affected AOS-10 versions, monitor network services for unusual activity, and implement compensating controls to limit adjacent network access. The information available does not provide explicit evidence of exploitation or specific impact, so defenders should exercise caution and follow recommended actions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79876 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79876

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

  • CVE-2026-79876 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79876

    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.