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High severity8.8CISA KEVNVD Advisory· Published Jan 10, 2023· Updated Jun 17, 2026

CVE-2023-21674

CVE-2023-21674

Description

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Affected products

30
  • Microsoft/Windows 10 19092 versions
    cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*range: <10.0.10240.19685
    • (no CPE)range: 10.0.10240.0
  • Microsoft/Windows 10 16078 versions
    cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*+ 7 more
    • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*range: <10.0.14393.5648
    • cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*range: <10.0.19042.2486
    • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*range: <10.0.19044.2486
    • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*range: <10.0.19045.2486
    • (no CPE)range: 10.0.14393.0
    • (no CPE)range: 10.0.0
    • (no CPE)range: 10.0.19043.0
    • (no CPE)range: 10.0.19045.0
  • Microsoft/Windows 10 18092 versions
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*range: <10.0.17763.3887
    • (no CPE)range: 10.0.0
  • Microsoft/Windows 11 21h22 versions
    cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*range: <10.0.22000.1455
    • (no CPE)range: 10.0.0
  • Microsoft/Windows 11 23h22 versions
    cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*range: <10.0.22621.1105
    • (no CPE)range: 10.0.22621.0
  • Microsoft/Windows Rt 8.1
    cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • Microsoft/Windows Server 20122 versions
    cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
    • (no CPE)range: 6.3.9600.0
  • Microsoft/Windows Server 20162 versions
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*range: <10.0.14393.5648
    • (no CPE)range: 10.0.14393.0
  • Microsoft/Windows Server 20192 versions
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: <10.0.17763.3887
    • (no CPE)range: 10.0.17763.0
  • Microsoft/Windows Server 20032 versions
    cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*range: <10.0.20348.1487
    • (no CPE)range: 10.0.20348.0
  • Microsoft/Windowsllm-fuzzy
  • Microsoft/Windows 8.1cpe-rescue
    Range: 6.3.0
  • Microsoft/Windows Server 2012 R2 (Server Core installation)v5
    Range: 6.3.9600.0
  • Microsoft/Windows Server 2016 (Server Core installation)v5
    Range: 10.0.14393.0
  • Microsoft/Windows Server 2019 (Server Core installation)v5
    Range: 10.0.17763.0

Patches

Vulnerability mechanics

References

2

News mentions

0

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