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Medium severity5.1NVD Advisory· Published Oct 14, 2025· Updated Jun 17, 2026

CVE-2025-55679

CVE-2025-55679

Description

Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.

Affected products

26
  • Microsoft/Windows Kernelllm-fuzzy
  • 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 1809cpe-rescue2 versions
    10.0.17763.0+ 1 more
    • (no CPE)range: 10.0.17763.0
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*range: <10.0.17763.7919
  • 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: <10.0.22621.6060
    • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*range: <10.0.22631.6060
  • 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: <10.0.26100.6899
  • Microsoft/Windows 11 25h2cpe-rescue2 versions
    10.0.26200.0+ 1 more
    • (no CPE)range: 10.0.26200.0
    • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*range: <10.0.26200.6899
  • 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: <10.0.17763.7919
  • 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:*:*:*:*:*:*:*:*range: <10.0.26100.6899
  • 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: <10.0.20348.4294
  • Microsoft/Windows 10 16074 versions
    cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*range: <10.0.19044.6456
    • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*range: <10.0.19045.6456
    • (no CPE)range: 10.0.19044.0
    • (no CPE)range: 10.0.19045.0
  • Microsoft/Windows Server 2012
    cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
    Range: <10.0.25398.1913
  • Microsoft/Windows 10 version 1607cpe-rescue
    Range: 10.0.22631.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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