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Vulnerabilities

Vulnerability · CVE-2019-1214

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

Published Sep 10, 2019 · catalog updated Jun 16, 2026 · Microsoft Windows

Patch now

CVE-2019-1214 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
1.42%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1703 · cpe microsoft/windows 10 1709 · vendor Microsoft Windows

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'.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1703version unspecified
  • cpe microsoft/windows 10 1709version unspecified
  • vendor Microsoft Windowsversion unspecified

How to fix CVE-2019-1214

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2019-1214 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-119: Buffer Overflow. EPSS 1.42%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 11, 2019 · Catalog

    Detected

    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'.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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'.

Sources

  • CISA KEVConfirmed exploitationCVE-2019-1214

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2019-1214

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-1214

    30-day exploitation probability 1.4%

    first.org
  • NIST NVDVulnerability recordCVE-2019-1214

    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'.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2019-1214

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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.