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    2 vulnerabilities found for wireguard.sys by Mullvad

    CVE-2026-19380 (GCVE-0-2026-19380)

    Vulnerability from nvd – Published: 2026-08-10 00:15 – Updated: 2026-08-10 21:11
    VLAI
    Title
    Mullvad wireguard.sys IOCTL AdapterState reference count
    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.
    Severity
    4.6 (Medium)
    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
    2.3 (Low)
    CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
    2.3 (Low)
    CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-10 19:16 UTC
    CWE
    • CWE-911 - Improper Update of Reference Count
    • CWE-664 - Improper Control of Resource Through Lifetime
    Assigner
    References
    URL Tags
    https://vuldb.com/vuln/387273 vdb-entrytechnical-description
    https://vuldb.com/vuln/387273/cti signaturepermissions-required
    https://vuldb.com/cve/CVE-2026-19380 third-party-advisory
    https://vuldb.com/submit/866726 third-party-advisory
    https://drive.google.com/file/d/1LN68wxIx_2EI4IBV… exploit
    Impacted products
    Vendor Product Version
    Mullvad wireguard.sys Affected: 0.10.1
        cpe:2.3:a:mullvad:wireguard.sys:*:*:*:*:*:*:*:*
    		 Create a notification for this product.
    Credits
    Raulisr00t (VulDB User) VulDB CNA Team
    Show details on NVD website
    To clipboard 

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    CVE-2026-19380 (GCVE-0-2026-19380)

    Vulnerability from cvelistv5 – Published: 2026-08-10 00:15 – Updated: 2026-08-10 21:11
    VLAI
    Title
    Mullvad wireguard.sys IOCTL AdapterState reference count
    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.
    Severity
    4.6 (Medium)
    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
    2.3 (Low)
    CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
    2.3 (Low)
    CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-10 19:16 UTC
    CWE
    • CWE-911 - Improper Update of Reference Count
    • CWE-664 - Improper Control of Resource Through Lifetime
    Assigner
    References
    URL Tags
    https://vuldb.com/vuln/387273 vdb-entrytechnical-description
    https://vuldb.com/vuln/387273/cti signaturepermissions-required
    https://vuldb.com/cve/CVE-2026-19380 third-party-advisory
    https://vuldb.com/submit/866726 third-party-advisory
    https://drive.google.com/file/d/1LN68wxIx_2EI4IBV… exploit
    Impacted products
    Vendor Product Version
    Mullvad wireguard.sys Affected: 0.10.1
        cpe:2.3:a:mullvad:wireguard.sys:*:*:*:*:*:*:*:*
    		 Create a notification for this product.
    Credits
    Raulisr00t (VulDB User) VulDB CNA Team
    Show details on NVD website
    To clipboard 

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