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PatchSiren cyber security CVE debrief

CVE-2026-79893 Hewlett Packard Enterprise (HPE) CVE debrief

CVE-2026-79893 is a high-severity vulnerability in ArubaOS (AOS) that could allow an unauthenticated remote attacker to conduct a denial-of-service attack. The vulnerability is caused by memory corruption issues in AOS-10. Successful exploitation could disrupt the availability of the affected service. Defenders should assess potential exposure and impact on AOS-10 deployments, prioritizing verification of exposure and assessment of potential impact. This vulnerability affects AOS-10, and its exploitation could have significant operational impacts.

Vendor
Hewlett Packard Enterprise (HPE)
Product
ArubaOS (AOS)
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-22
Original CVE updated
2026-10-23
Advisory published
2026-10-22
Advisory updated
2026-10-23

Who should care

Defenders responsible for AOS-10 deployments should assess potential exposure and impact. They should prioritize verifying exposure and assessing potential impact on AOS-10 services. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance, and planning vendor-supported updates or mitigations through normal change control where exposure is

Why it matters

CVE-2026-79893 is a high-severity vulnerability in ArubaOS (AOS) that could allow an unauthenticated remote attacker to conduct a denial-of-service attack, disrupting the availability of the affected service. Defenders responsible for AOS-10 deployments should assess potential exposure and impact, and prioritize verifying exposure and assessing potential impact.

  • Verify exposure of AOS-10 deployments to potential denial-of-service attacks
  • Assess the impact of a potential denial-of-service attack on AOS-10 services

Technical summary

Memory corruption vulnerabilities in AOS-10 could allow an unauthenticated remote attacker to conduct a denial-of-service attack. Successful exploitation could allow an attacker to disrupt the availability of the affected service. The vulnerability is caused by memory corruption issues in AOS-10, and defenders should prioritize verifying exposure and assessing potential impact on AOS-10 deployments.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact on AOS-10 deployments.

Recommended defensive actions

  • Verify AOS-10 deployments for potential exposure
  • Assess the impact of a potential denial-of-service attack
  • Monitor for updates from Hewlett Packard Enterprise (HPE) on remediation

Evidence notes

The CVE record and source item provide details on the vulnerability, but additional information on affected versions and remediation is limited. Defenders should verify exposure of AOS-10 deployments to potential denial-of-service attacks and assess the impact of a potential denial-of-service attack. The CVE Program record and NVD detail page provide source-provided CVE metadata and vulnerability assessment. However, specific details on remediation and affected versions are not readily

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79893 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79893

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

  • CVE-2026-79893 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79893

    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.