All vulnerabilities
CVE-2023-23376

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

Microsoft WindowsOperating systems
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 14 Feb 2023. Known ransomware useCISA KEV
Exploit odds (EPSS)10.9%Chance of exploitation activity in the next 30 days, higher than 95% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.10240.19747Also 10.0.14393.5717, 10.0.17763.4010 and 10 moreCVE List
Federal deadline7 Mar 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

  • 10.0.10240.19747Windows 10 Version 1507CVE List
  • 10.0.14393.5717Windows 10 Version 1607CVE List
  • 10.0.17763.4010Windows 10 Version 1809CVE List
  • 10.0.19042.2604Windows 10 Version 20H2CVE List
  • 10.0.19044.2604Windows 10 Version 21H2CVE List
  • 10.0.19045.2604Windows 10 Version 22H2CVE List
Show all 22 fixed versions
  • 10.0.22621.1574Windows 11 version 21H2CVE List
  • 10.0.22621.1265Windows 11 version 22H2CVE List
  • 6.0.6003.21915Windows Server 2008 Service Pack 2CVE List
  • 6.1.7601.26366Windows Server 2008 R2 Service Pack 1CVE List
  • 6.1.7601.26366Windows Server 2008 R2 Service Pack 1 (Server Core installation)CVE List
  • 6.0.6003.21915Windows Server 2008 Service Pack 2CVE List
  • 6.0.6003.21915Windows Server 2008 Service Pack 2 (Server Core installation)CVE List
  • 6.2.9200.24116Windows Server 2012CVE List
  • 6.2.9200.24116Windows Server 2012 (Server Core installation)CVE List
  • 6.3.9600.20821Windows Server 2012 R2CVE List
  • 6.3.9600.20821Windows Server 2012 R2 (Server Core installation)CVE List
  • 10.0.14393.5717Windows Server 2016CVE List
  • 10.0.14393.5717Windows Server 2016 (Server Core installation)CVE List
  • 10.0.17763.4010Windows Server 2019CVE List
  • 10.0.17763.4010Windows Server 2019 (Server Core installation)CVE List
  • 10.0.20348.1547Windows Server 2022CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 14 Feb 2023Added to CISA KEVCISA KEV
  2. 14 Feb 2023, 19:33 UTCPublishedCVE List

Description

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

Text from CVE List

Affected versions 23

  • Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.19747CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.5717CVE List
  • Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.4010CVE List
  • Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.4010CVE List
  • Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.2604CVE List
  • Windows 10 Version 21H2affected: 10.0.19043.0 before 10.0.19044.2604CVE List
  • Windows 10 Version 22H2affected: 10.0.19045.0 before 10.0.19045.2604CVE List
  • Windows 11 version 21H2affected: 10.0.0 before 10.0.22621.1574CVE List
  • Windows 11 version 22H2affected: 10.0.22621.0 before 10.0.22621.1265CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21915CVE List
  • Windows Server 2008 R2 Service Pack 1affected: 6.1.7601.0 before 6.1.7601.26366CVE List
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation)affected: 6.1.7601.0 before 6.1.7601.26366CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21915CVE List
  • Windows Server 2008 Service Pack 2 (Server Core installation)affected: 6.0.6003.0 before 6.0.6003.21915CVE List
  • Windows Server 2012affected: 6.2.9200.0 before 6.2.9200.24116CVE List
  • Windows Server 2012 (Server Core installation)affected: 6.2.9200.0 before 6.2.9200.24116CVE List
  • Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.20821CVE List
  • Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.20821CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.5717CVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.5717CVE List
  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.4010CVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.4010CVE List
  • Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.1547CVE List

References 4