CVE-2026-20834

• Microsoft/Windows Shellllm-fuzzy
• Microsoft/Windows Server 2008 R2 Service Pack 1 (Server Core installation)v5

  Range: 6.1.7601.0
• Microsoft/Windows Server 2008 Service Pack 2 (Server Core installation)v5

  Range: 6.0.6003.0
• Microsoft/Windows Server 2012 (Server Core installation)v5

  Range: 6.2.9200.0
• Microsoft/Windows Server 2012 R2 (Server Core installation)v5

  Range: 6.3.9600.0
• Microsoft/Windows Server 2016 (Server Core installation)v5

  Range: 10.0.14393.0
• Microsoft/Windows Server 2019 (Server Core installation)v5

  Range: 10.0.17763.0
• Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5

  Range: 10.0.25398.0
• Microsoft/Windows Server 2025 (Server Core installation)v5

  Range: 10.0.26100.0
• Microsoft/Windows 10 16077 versions

  cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*+ 6 more

  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*range: <10.0.14393.8783
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*range: <10.0.14393.8783
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*range: <10.0.19044.6809
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*range: <10.0.19045.6809
  • (no CPE)range: 10.0.14393.0
  • (no CPE)range: 10.0.19044.0
  • (no CPE)range: 10.0.19045.0
• Microsoft/Windows 10 18093 versions

  cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 2 more

  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: <10.0.17763.8276
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: <10.0.17763.8276
  • (no CPE)range: 10.0.17763.0
• Microsoft/Windows 11 23h22 versions

  cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*+ 1 more

  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*range: <10.0.22631.6491
  • (no CPE)range: 10.0.22631.0
• Microsoft/Windows 11 24h22 versions

  cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*+ 1 more

  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*range: <10.0.26100.7623
  • (no CPE)range: 10.0.26100.0
• Microsoft/Windows 11 25h22 versions

  cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*+ 1 more

  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*range: <10.0.26200.7623
  • (no CPE)range: 10.0.26200.0
• Microsoft/Windows Server 20085 versions

  cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*+ 4 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:*
  • (no CPE)range: 6.1.7601.0
  • (no CPE)range: 6.0.6003.0
• Microsoft/Windows Server 20125 versions

  cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 4 more

  • 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_23h2:*:*:*:*:*:*:*:*range: <10.0.25398.2092
  • (no CPE)range: 6.2.9200.0
  • (no CPE)range: 6.3.9600.0
• Microsoft/Windows Server 20162 versions

  cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*+ 1 more

  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*range: <10.0.14393.8783
  • (no CPE)range: 10.0.14393.0
• Microsoft/Windows Server 20192 versions

  cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*+ 1 more

  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: <10.0.17763.8276
  • (no CPE)range: 10.0.17763.0
• Microsoft/Windows Server 20032 versions

  cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*+ 1 more

  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*range: <10.0.20348.4648
  • (no CPE)range: 10.0.20348.0
• Microsoft/Windows Server 20252 versions

  cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*+ 1 more

  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*range: <10.0.26100.32230
  • (no CPE)range: 10.0.26100.0
• Microsoft/Windows 10 version 1607cpe-rescue

  Range: 10.0.22631.0

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20834nvdVendor Advisory

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