CVE-2026-19380

Mullvad wireguard.sys IOCTL AdapterState reference count

LOW
2.3
CVSS Score
Published: August 10, 2026 at 12:15 AM UTC
Updated: October 23, 2026 at 08:10 PM UTC
1 product affected across 1 vendorWireguard.sys

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Severity
LOW2.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/387273
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/387273/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-19380
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/866726

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-911CWE-664

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