CVE-2019-1214

KEVMicrosoft Windows Privilege Common Log File System (CLFS) Escalation Vulnerability

Description

Microsoft Windows Common Log File System (CLFS) driver improperly handles objects in memory which can allow for privilege escalation.

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'.

CVSS 3.1 vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

PublishedSep 11, 2019

Last modifiedJun 17, 2026

Added to KEVNov 3, 2021

Remediation dueMay 3, 2022

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1214PatchVendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1214US Government Resource

0 recent articles mention this CVE

Risk assessment · High

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 1638 days
CVSS: 7.8 HIGH
EPSS (30-day exploit probability): 1.4% · top 27% of all CVEs
Weakness: NVD-CWE-noinfo

Recommended actions

1.Apply updates per vendor instructions.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.