Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

• Microsoft/Windows 10 1809v52 versions

  cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2366:*:*:*:*:*:x86:*+ 1 more

  • cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2366:*:*:*:*:*:x86:*range: 10.0.0
  • cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1415:*:*:*:*:*:x64:*range: 10.0.0
• Microsoft/Windows Server 2019v5

  cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2366:*:*:*:*:*:*:*

  Range: 10.0.0
• Microsoft/Windows 10 1909v5

  cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1977:*:*:*:*:*:x86:*

  Range: 10.0.0
• Microsoft/Windows 10 21h1v5

  cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1415:*:*:*:*:*:x64:*

  Range: 10.0.0
• Microsoft/Windows Server 2022v5

  cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.405:*:*:*:*:*:*:*

  Range: 10.0.0
• Microsoft/Windows 10 20h2v5

  cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1415:*:*:*:*:*:x86:*

  Range: 10.0.0
• Microsoft/Windows 11 21h2v5

  cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.376:*:*:*:*:*:x64:*

  Range: 10.0.0
• Microsoft/Windows 10 21h2v5

  cpe:2.3:o:microsoft:windows_10_21H2:10.0.19044.1415:*:*:*:*:*:x86:*

  Range: 10.0.0
• Microsoft/Windows 10 1507v5

  cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19145:*:*:*:*:*:x86:*

  Range: 10.0.0
• Microsoft/Windows 10 1607v5

  cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4825:*:*:*:*:*:x86:*

  Range: 10.0.0
• Microsoft/Windows Server 2016v5

  cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4825:*:*:*:*:*:*:*

  Range: 10.0.0
• Microsoft/Windows 7v52 versions

  cpe:2.3:o:microsoft:windows_7:6.1.7601.25796:sp1:*:*:*:*:x86:*+ 1 more

  • cpe:2.3:o:microsoft:windows_7:6.1.7601.25796:sp1:*:*:*:*:x86:*range: 6.1.0
  • cpe:2.3:o:microsoft:windows_7:6.1.7601.25796:sp1:*:*:*:*:x64:*range: 6.1.0
• Microsoft/Windows 8.1v5

  cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20207:*:*:*:*:*:x86:*

  Range: 6.3.0
• Microsoft/Windows Server 2012v5

  cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23545:*:*:*:*:*:x64:*

  Range: 6.2.0

No patches discovered yet.

AI mechanics synthesis has not run for this CVE yet.

• packetstormsecurity.com/files/165560/Microsoft-Windows-EFSRPC-Arbitrary-File-Upload-Privilege-Escalation.htmlmitrex_refsource_MISC
• portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43893mitrex_refsource_MISC

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