Is CVE-2026-80186 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-80186?

CVE-2026-80186 has a CVSS v3 severity of HIGH (7.6).

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CVE-2026-80186

Description

A stack-based buffer overflow vulnerability exists in BlueZ, the Linux Bluetooth protocol stack. A remote user within Bluetooth radio range can send a specially crafted Extended Inquiry Response (EIR) packet that causes a buffer overflow when the target device performs Bluetooth discovery. This vulnerability can lead to a Denial of Service (DoS) by crashing the bluetoothd service and may allow for arbitrary code execution.