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High severity7.8CISA KEVNVD Advisory· Published Dec 12, 2018· Updated Jun 17, 2026

CVE-2018-8639

CVE-2018-8639

Description

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8641.

Affected products

29
  • Microsoft/Windows 10 19092 versions
    cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
    • (no CPE)range: 32-bit Systems
  • Microsoft/Windows 10 1607
    cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
  • Microsoft/Windows 10 1511
    cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*
  • Microsoft/Windows 10 1709
    cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
  • Microsoft/Windows 10 1803
    cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
  • Microsoft/Windows 10 1809
    cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
  • Microsoft/Windows 72 versions
    cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
    • (no CPE)range: 32-bit Systems Service Pack 1
  • Microsoft/Windows 8.12 versions
    cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:*:*
    • (no CPE)range: 32-bit systems
  • Microsoft/Windows Rt 8.12 versions
    cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
    • (no CPE)range: Windows RT 8.1
  • Microsoft/Windows Server 20086 versions
    cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*+ 5 more
    • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:itanium:*
    • cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
    • (no CPE)range: 32-bit Systems Service Pack 2
    • (no CPE)range: Itanium-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 20162 versions
    cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
    • (no CPE)range: (Server Core installation)
  • Microsoft/Windows Server 20192 versions
    cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
    • (no CPE)range: (Server Core installation)
  • Microsoft/Windowsllm-fuzzy
  • Microsoft/Windows Server 2003cpe-rescue
    Range: version 1709 (Server Core Installation)

Patches

Vulnerability mechanics

References

3

News mentions

0

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