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High severity7.4NVD Advisory· Published May 12, 2026· Updated Jun 1, 2026

CVE-2026-40413

CVE-2026-40413

Description

Windows TCP/IP Denial of Service Vulnerability

Affected products

20
  • Microsoft/Windows 10 16073 versions
    cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*+ 2 more
    • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*range: <10.0.14393.9140
    • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*range: <10.0.19044.7291
    • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*range: <10.0.19045.7291
  • Microsoft/Windows 10 1809
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
    Range: <10.0.17763.8755
  • Microsoft/Windows 11 23h22 versions
    cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*range: <10.0.22631.7079
    • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*range: <10.0.22631.7079
  • Microsoft/Windows 11 24h22 versions
    cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*range: <10.0.26100.8390
    • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*range: <10.0.26100.8390
  • Microsoft/Windows 11 25h22 versions
    cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*range: <10.0.26200.8390
    • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*range: <10.0.26200.8390
  • Microsoft/Windows 11 26h12 versions
    cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*range: <10.0.28000.2113
    • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*range: <10.0.28000.2113
  • Microsoft/Windows Server 20123 versions
    cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*range: <10.0.25398.2330
  • Microsoft/Windows Server 2016
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
    Range: <10.0.14393.9140
  • Microsoft/Windows Server 2019
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
    Range: <10.0.17763.8755
  • Microsoft/Windows Server 2003
    cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
    Range: <10.0.20348.5074
  • Microsoft/Windows Server 2025
    cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
    Range: <10.0.26100.32772
  • Microsoft/Windows TCP/IPllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

3