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Unrated severityNVD Advisory· Published Jun 12, 2019· Updated May 20, 2025

Windows Common Log File System Driver Elevation of Privilege Vulnerability

CVE-2019-0959

Description

An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system. The security update addresses the vulnerability by correcting how CLFS handles objects in memory.

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Affected products

10
  • Microsoft/Windows Common Log File System Driverllm-fuzzy
  • Microsoft/Windows 10 Version 1803v5
    Range: 10.0.0
  • Microsoft/Windows 10 1809cpe-rescue
    Range: 10.0.0
  • Microsoft/Windows 10 Version 1903 for 32-bit Systemsv5
    Range: 10.0.0
  • Microsoft/Windows 10 Version 1903 for ARM64-based Systemsv5
    Range: 10.0.0
  • Microsoft/Windows 10 Version 1903 for x64-based Systemsv5
    Range: 10.0.0
  • Microsoft/Windows Server 2019cpe-rescue
    Range: 10.0.17763.0
  • Microsoft/Windows Server 2019 (Server Core installation)v5
    Range: 10.0.17763.0
  • Microsoft/Windows Server, version 1803 (Server Core Installation)v5
    Range: 10.0.0
  • Microsoft/Windows Server, version 1903 (Server Core installation)v5
    Range: 10.0.0

Patches

Vulnerability mechanics

References

1

News mentions

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