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High severity8.1NVD Advisory· Published Jan 14, 2025· Updated Jun 17, 2026

CVE-2025-21309

CVE-2025-21309

Description

Windows Remote Desktop Services Remote Code Execution Vulnerability

Affected products

20
  • 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 Remote Desktop Servicellm-fuzzy
  • Microsoft/Windows Server 2012cpe-rescue5 versions
    6.2.9200.0+ 4 more
    • (no CPE)range: 6.2.9200.0
    • (no CPE)range: 6.3.9600.0
    • 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_23h2:*:*:*:*:*:*:*:*range: <10.0.25398.1369
  • Microsoft/Windows Server 2016cpe-rescue2 versions
    10.0.14393.0+ 1 more
    • (no CPE)range: 10.0.14393.0
    • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*range: <10.0.14393.7699
  • Microsoft/Windows Server 2019cpe-rescue2 versions
    10.0.17763.0+ 1 more
    • (no CPE)range: 10.0.17763.0
    • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*range: <10.0.17763.6775
  • Microsoft/Windows Server 2025cpe-rescue2 versions
    10.0.26100.0+ 1 more
    • (no CPE)range: 10.0.26100.0
    • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*range: <10.0.26100.2894
  • Microsoft/Windows Server 2003cpe-rescue2 versions
    10.0.20348.0+ 1 more
    • (no CPE)range: 10.0.20348.0
    • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*range: <10.0.20348.3091

Patches

Vulnerability mechanics

References

1

News mentions

0

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