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

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. Feb 14, 2023 · Catalog

   Detected

   Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.

2. Feb 14, 2023 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Mar 7, 2023 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Aug 19, 2026 · Catalog

   Updated

   Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.

Affected

• cpe microsoft/windows 10 1507version unspecified
• cpe microsoft/windows 10 1607version unspecified
• cpe microsoft/windows 10 1809version unspecified
• cpe microsoft/windows 10 20h2version unspecified
• cpe microsoft/windows 10 21h2version unspecified
• cpe microsoft/windows 10 22h2version unspecified
• cpe microsoft/windows 11 21h2version unspecified
• cpe microsoft/windows 11 22h2version unspecified
• vendor Microsoft Windowsversion unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2023-23376

  Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.

  cisa.gov
• CVE.orgVulnerability recordCVE-2023-23376

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2023-23376

  30-day exploitation probability 10.9%

  first.org
• NIST NVDVulnerability recordCVE-2023-23376

  Windows Common Log File System Driver Elevation of Privilege Vulnerability

  nvd.nist.gov

References

• CISA note · msrc.microsoft.com
• Patch · msrc.microsoft.com
• CISA note · nvd.nist.gov
• US Government Resource · cisa.gov