CVE-2026-19380 | Mullvad wireguard.sys 0.10.1 IOCTL AdapterState reference count

A vulnerability was found in Mullvad wireguard.sys 0.10.1 and classified as problematic. The affected element is the function AdapterState of the component IOCTL Handler. Such manipulation leads to improper update of reference count.

This vulnerability is uniquely identified as CVE-2026-19380. Local access is required to approach this attack. Moreover, an exploit is present.

The vendor was contacted early about this disclosure.VulDB Recent EntriesRead More