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Unrated severityNVD Advisory· Published Oct 16, 2020· Updated Aug 4, 2024

Windows Application Compatibility Client Library Elevation of Privilege Vulnerability

CVE-2020-16920

Description

An elevation of privilege vulnerability exists when the Windows Application Compatibility Client Library improperly handles registry operations. An attacker who successfully exploited this vulnerability could gain elevated privileges. To exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows Application Compatibility Client Library properly handles registry operations.

Affected products

14
  • Microsoft/Windows 10 1909v54 versions
    cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*+ 3 more
    • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows 10 1607v5
    cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
    Range: 10.0.0
  • Microsoft/Windows 10 1809v52 versions
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows 7v52 versions
    cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x64:*range: 6.1.0
    • cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x86:*range: 6.1.0
  • Microsoft/Windows 8.1v5
    cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x86:*
    Range: 6.3.0
  • Microsoft/Windows Server 2012v5
    cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
    Range: 6.2.0
  • Microsoft/Windows Server 2016v5
    cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
    Range: 10.0.0
  • Microsoft/Windows Server 2019v5
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
    Range: 10.0.0
  • Microsoft/Windows Application Compatibility Client Libraryllm-create

Patches

Vulnerability mechanics

References

1

News mentions

0

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