VYPR
High severity7.8CISA KEVNVD Advisory· Published Oct 13, 2021· Updated Jun 17, 2026

CVE-2021-40450

CVE-2021-40450

Description

Win32k Elevation of Privilege Vulnerability

Affected products

19
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*range: <10.0.17763.2237
    • 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_10_1909:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*range: <10.0.18363.1854
    • cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1854:*:*:*:*:*:x86:*range: 10.0.0
  • cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*
    Range: <10.0.19041.1288
  • cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1288:*:*:*:*:*:x86:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1288:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*range: <10.0.19042.1288
  • cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*range: <10.0.19043.1288
  • cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258:*:*:*:*:*:x64:*+ 1 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_21h2:*:*:*:*:*:*:*:*range: <10.0.22000.258
  • cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
    Range: <10.0.19041.1288
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: <10.0.17763.2237
    • cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*range: 10.0.0
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*range: <10.0.20348.288
    • cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*range: 10.0.0
  • cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
    Range: <10.0.19042.1288
  • Microsoft/Win32Kllm-fuzzy

Patches

Vulnerability mechanics

References

2

News mentions

0

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