Junglewise Threat Intelligence

CVE-2019-1214: Microsoft Windows Privilege Common Log File System (CLFS) Escalation Vulnerability

CVE-2019-1214 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

Technologies: Microsoft Windows 7, Microsoft Windows 10, Microsoft Windows, Microsoft Windows 8.1, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Rt 8.1. Vendors: Microsoft.

Executive brief

An elevation of privilege vulnerability exists in the Microsoft Windows Common Log File System (CLFS) driver due to improper handling of objects in memory. A local attacker could exploit this to execute code with elevated privileges.

Affected products

  • Microsoft Windows 7 Service Pack 1
  • Microsoft Windows 8.1
  • Microsoft Windows RT 8.1
  • Microsoft Windows 10 1507, 1607, 1703, 1709, 1803, 1809, 1903
  • Microsoft Windows Server 2008 Service Pack 2, R2 Service Pack 1
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016 1803, 1903
  • Microsoft Windows Server 2019

Timeline

  • 2019-09-12: disclosed: Initial analysis by NIST
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: exploited: Reported as exploited in the wild

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