Affects HPE enterprise SD‑WAN gateways; unauthenticated adjacent DoS can crash devices and halt network operations across organizations.
CVE-2026-76679
Unauthenticated adjacent DoS in HPE EdgeConnect SD‑WAN causing unrecoverable crashes.
Is CVE-2026-76679 being exploited?
Not confirmed. CVE-2026-76679 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.
How severe is CVE-2026-76679?
CVE-2026-76679 is rated High with a CVSS score of 8.6. 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-2026-76679?
Not known from our data. No patch reference has been recorded for CVE-2026-76679, 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-2026-76679 affect?
CVE-2026-76679 affects HPE Networking EdgeConnect SD‑WAN Gateways (EdgeConnect). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76679?
Apply vendor mitigations, isolate devices from untrusted adjacent networks, and install vendor updates when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated adjacent attacker can crash EdgeConnect gateways and prevent automatic reboot, causing sustained network outages and loss of connectivity.
Immediate action required
- affected<= 9.7.0.0
- affected>= 9.6.0.0 and <= 9.6.3.1
- affected>= 9.5.0.0 and <= 9.5.8.1
- affected>= 9.4.0.0 and <= 9.4.8.2
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.