Known exploited vulnerability · Microsoft

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

highCVSS 3.1 7.8Exploited

An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory, aka 'Windows Common Log File System Driver Elevation of Privilege Vulnerability'.

Published Sep 11, 2019 · Updated Jun 17, 2026

Required action

Apply updates per vendor instructions.

Advisory details

From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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