VYPR
Medium severity5.5NVD Advisory· Published Oct 13, 2021· Updated Jun 17, 2026

CVE-2021-40455

CVE-2021-40455

Description

Windows Installer Spoofing Vulnerability

Affected products

52
  • cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2237:*:*:*:*:*:x86:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2237:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1288:*:*:*:*:*:x64:*range: 10.0.0
  • cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1854:*:*:*:*:*:x86:*+ 20 more
    • cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1854:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19086:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_21H1:10.0.19041.1288:*:*:*:*:*:x64:*
    Range: 10.0.0
  • cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258:*:*:*:*:*:x64:*+ 2 more
    • cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4704:*:*:*:*:*:x86:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4704:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_20H2:10.0.19041.1288:*:*:*:*:*:x86:*range: 10.0.0
  • cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4704:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4704:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
  • Microsoft/Windows 7v54 versions
    cpe:2.3:o:microsoft:windows_7:6.1.7601.25740:sp1:*:*:*:*:x86:*+ 3 more
    • cpe:2.3:o:microsoft:windows_7:6.1.7601.25740:sp1:*:*:*:*:x86:*range: 6.1.0
    • cpe:2.3:o:microsoft:windows_7:6.1.7601.25740:sp1:*:*:*:*:x64:*range: 6.1.0
    • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20144:*:*:*:*:*:x86:*+ 2 more
    • cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20144:*:*:*:*:*:x86:*range: 6.3.0
    • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23490:*:*:*:*:*:x64:*+ 2 more
    • cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23490:*:*:*:*:*:x64:*range: 6.2.0
    • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*+ 2 more
    • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*

Patches

Vulnerability mechanics

References

1

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