CVE-2026-19380
4.6
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
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 approach this attack. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mullvad | wireguard.sys | 0.10.1 | affected |
Weaknesses
- CWE-911: Improper Update of Reference Count
- CWE-664: Improper Control of Resource Through Lifetime
References
- https://vuldb.com/vuln/387273
- https://vuldb.com/vuln/387273/cti
- https://vuldb.com/cve/CVE-2026-19380
- https://vuldb.com/submit/866726
- https://drive.google.com/file/d/1LN68wxIx_2EI4IBVq13UlP4G1aqyz–x/view?usp=sharing
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