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High severity7.5CISA KEVNVD Advisory· Published Jun 8, 2021· Updated Jun 17, 2026

CVE-2021-33742

CVE-2021-33742

Description

Windows MSHTML Platform Remote Code Execution Vulnerability

Affected products

30
  • Microsoft/Windows 10 19094 versions
    cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*range: <10.0.10240.18967
    • cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*range: <10.0.18363.1621
    • cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows 10 16074 versions
    cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*range: <10.0.14393.4467
    • cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*range: <10.0.19042.1052
  • Microsoft/Windows 10 18093 versions
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*range: <10.0.17763.1999
    • cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1052:*:*:*:*:*:x64:*range: 10.0.0
  • Microsoft/Windows 10 2004
    cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
    Range: <10.0.19041.1052
  • Microsoft/Windows 10 21h1v52 versions
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*range: <10.0.19043.1052
  • Microsoft/Windows 73 versions
    cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_7:6.1.7601.25632:sp1:*:*:*:*:x64:*range: 6.1.0
    • cpe:2.3:o:microsoft:windows_7:6.1.7601.25632:sp1:*:*:*:*:x86:*range: 6.1.0
  • Microsoft/Windows 8.12 versions
    cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x86:*range: 6.3.0
  • Microsoft/Windows Rt 8.1
    cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • Microsoft/Windows Server 20082 versions
    cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:*:*
  • 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_2012:6.2.9200.23372:*:*:*:*:*:x64:*range: 6.2.0
    • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • Microsoft/Windows Server 20162 versions
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*range: <10.0.14393.4467
    • cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*range: 10.0.0
  • Microsoft/Windows Server 20192 versions
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: <10.0.17763.1999
    • cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*range: 10.0.0
  • Microsoft/Windows MSHTML Platformllm-fuzzy

Patches

Vulnerability mechanics

References

2

News mentions

0

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