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Medium severity5.4NVD Advisory· Published Sep 13, 2018· Updated Jun 17, 2026

CVE-2018-8434

CVE-2018-8434

Description

An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Affected products

25
  • Microsoft/Windows 10 19096 versions
    cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*+ 5 more
    • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
    • (no CPE)range: Version 1607 for x64-based Systems
  • Microsoft/Windows 72 versions
    cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
    • (no CPE)range: x64-based Systems Service Pack 1
  • Microsoft/Windows 8.13 versions
    cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*+ 2 more
    • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:rt:*:*:*
    • (no CPE)range: x64-based systems
  • Microsoft/Windows Server 20083 versions
    cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_server_2008:sp2:*:*:*:*:*:*:*
    • (no CPE)range: x64-based Systems Service Pack 2
    • (no CPE)range: x64-based Systems Service Pack 1
  • Microsoft/Windows Server 20124 versions
    cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
    • (no CPE)range: (Server Core installation)
    • (no CPE)range: (Server Core installation)
  • Microsoft/Windows Server 20164 versions
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
    • (no CPE)range: (Server Core installation)
  • Microsoft/Hyper-Vllm-fuzzy
  • Microsoft/Windows Server 2003cpe-rescue
    Range: version 1709 (Server Core Installation)
  • Microsoft/Windows Rt 8.1cpe-rescue
    Range: Windows RT 8.1

Patches

Vulnerability mechanics

References

3

News mentions

0

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