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Medium severity6.7NVD Advisory· Published Apr 14, 2026· Updated Apr 24, 2026

CVE-2026-0390

CVE-2026-0390

Description

Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

Affected products

14
  • Microsoft/Windows 10 16078 versions
    cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*+ 7 more
    • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*range: <10.0.14393.9060
    • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*range: <10.0.14393.9060
    • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*range: <10.0.19044.7184
    • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*range: <10.0.19044.7184
    • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*range: <10.0.19044.7184
    • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*range: <10.0.19045.7184
    • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*range: <10.0.19045.7184
    • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*range: <10.0.19045.7184
  • Microsoft/Windows 10 18092 versions
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: <10.0.17763.8644
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: <10.0.17763.8644
  • Microsoft/Windows Server 2016
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
    Range: <10.0.14393.9060
  • Microsoft/Windows Server 2019
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
    Range: <10.0.17763.8644
  • Microsoft/Windows Server 2003
    cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
    Range: <10.0.20348.5020
  • Microsoft/Windows Boot Loaderllm-create

Patches

Vulnerability mechanics

References

1

News mentions

2