---
id: CVE-2026-19380
title: A vulnerability was identified in Mullvad wireguard.sys 0.10.1
summary: >-
  A vulnerability was identified in Mullvad wireguard.sys 0.10.1. The affected
  element is the function AdapterState of the component IOCTL Handler. Such
  manipulation leads to improper update of reference count. Local access is
  required to …
severity: low
cvss: 2.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-664
  - CWE-911
published: '2026-08-10'
updated: '2026-08-10'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-19380'
references:
  - url: >-
      https://drive.google.com/file/d/1LN68wxIx_2EI4IBVq13UlP4G1aqyz--x/view?usp=sharing
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-19380'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/866726'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/387273'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/387273/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-08-10T06:39:06.434Z'
epss: 0.00168
epssPercentile: 0.05417
---

## Overview

A vulnerability was identified in Mullvad wireguard.sys 0.10.1. The affected element is the function AdapterState of the component IOCTL Handler. Such manipulation leads to improper update of reference count. Local access is required to approach this attack. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.