VYPR
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Critical severity9.0NVD Advisory· Published Nov 10, 2021· Updated Jun 17, 2026

CVE-2021-26443

CVE-2021-26443

Description

Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

Affected products

17
  • Microsoft/Windows 10 1809v52 versions
    cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2300:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2300:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1348:*:*:*:*:*:x64:*range: 10.0.0
  • Microsoft/Windows Server 2019v52 versions
    cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2300:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2300:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
  • Microsoft/Windows 10 1909v55 versions
    cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1916:*:*:*:*:*:x64:*+ 4 more
    • cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1916:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
  • Microsoft/Windows 10 21h1v5
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1348:*:*:*:*:*:x64:*
    Range: 10.0.0
  • Microsoft/Windows 11 21h2v52 versions
    cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.318:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.318:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
  • Microsoft/Virtual Machine Bus (VMBus)llm-fuzzy
  • Microsoft/Windows Server 2003v52 versions
    cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.350:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.350:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
  • Microsoft/Windows Server 20162 versions
    cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

0

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