Unauthenticated RCE in Aruba AOS-8 management service (widely deployed enterprise networking gear); exploitation can lead to full OS compromise and widespread disruption.
CVE-2026-79860
Unauthenticated RCE via PAPI UDP 8211 in Aruba AOS-8 (buffer overflow)
Is CVE-2026-79860 being exploited?
Not confirmed. CVE-2026-79860 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 0.74% probability of exploitation in the next 30 days.
How severe is CVE-2026-79860?
CVE-2026-79860 is rated Critical with a CVSS score of 9.8. 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-2026-79860?
Yes. A fix has been recorded for CVE-2026-79860. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-79860 affect?
CVE-2026-79860 affects Aruba AOS-8, PAPI service (UDP 8211), Aruba access points/controllers running AOS-8. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-79860?
Apply AOS-8 patches immediately; block UDP 8211 at network perimeter if patching is delayed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution as a privileged OS user via specially crafted UDP packets to PAPI port 8211, enabling full device compromise.
Immediate action required
- 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.