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High severity7.1NVD Advisory· Published Jan 14, 2025· Updated Jun 17, 2026

CVE-2025-21299

CVE-2025-21299

Description

Windows Kerberos Security Feature Bypass Vulnerability

Affected products

34
  • 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 version 1607cpe-rescue
    Range: 10.0.22631.0
  • Microsoft/Windows Kerberosllm-fuzzy
  • Microsoft/Windows 10 1607cpe-rescue7 versions
    10.0.14393.0+ 6 more
    • (no CPE)range: 10.0.14393.0
    • (no CPE)range: 10.0.19044.0
    • (no CPE)range: 10.0.19045.0
    • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*range: <10.0.14393.7699
    • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*range: <10.0.14393.7699
    • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*range: <10.0.19044.5371
    • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*range: <10.0.19045.5371
  • Microsoft/Windows 10 1809cpe-rescue3 versions
    10.0.17763.0+ 2 more
    • (no CPE)range: 10.0.17763.0
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: <10.0.17763.6775
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: <10.0.17763.6775
  • Microsoft/Windows 11 23h2cpe-rescue4 versions
    10.0.22631.0+ 3 more
    • (no CPE)range: 10.0.22631.0
    • (no CPE)range: 10.0.22621.0
    • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*range: <10.0.22621.4751
    • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*range: <10.0.22631.4751
  • Microsoft/Windows 11 24h2cpe-rescue2 versions
    10.0.26100.0+ 1 more
    • (no CPE)range: 10.0.26100.0
    • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*range: <10.0.26100.2894
  • 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
  • Microsoft/Windows 10 1909cpe-rescue3 versions
    10.0.10240.0+ 2 more
    • (no CPE)range: 10.0.10240.0
    • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*range: <10.0.10240.20890
    • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*range: <10.0.10240.20890
  • Microsoft/Windows Server 2012
    cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
    Range: <10.0.25398.1369

Patches

Vulnerability mechanics

References

1

News mentions

0

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