Unauthenticated remote code execution in HPE Aruba AOS (network OS) affecting infrastructure devices; widespread impact potential for enterprise networks.
CVE-2026-79862
Unauthenticated RCE via buffer overflow in HPE AOS-10/AOS-8 network interface
Is CVE-2026-79862 being exploited?
Not confirmed. CVE-2026-79862 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.26% probability of exploitation in the next 30 days.
How severe is CVE-2026-79862?
CVE-2026-79862 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-79862?
Not known from our data. No patch reference has been recorded for CVE-2026-79862, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-79862 affect?
CVE-2026-79862 affects HPE Aruba AOS-10, HPE Aruba AOS-8, Aruba network appliances running affected AOS. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-79862?
Isolate affected devices, restrict adjacent access, follow vendor advisory and apply patches when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Adjacent unauthenticated attacker can execute arbitrary privileged code on device (RCE), enabling full device compromise and network disruption.
Immediate action required
- affected>= 10.8.0.0 and <= 10.8.1.1
- affected>= 10.7.0.0 and <= 10.7.2.6
- affected>= 10.4.0.0 and <= 10.4.1.13
- affected>= 8.13.0.0 and <= 8.13.3.0
- affected>= 8.10.0.0 and <= 8.10.0.23
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.