All vulnerabilities
CVE-2022-37969

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

Microsoft WindowsOperating systems
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 14 Sep 2022. Known ransomware useCISA KEV
Exploit odds (EPSS)28.3%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.17763.3406Also 10.0.19043.2006, 10.0.20348.1006 and 9 moreCVE List
Federal deadline5 Oct 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

  • 10.0.17763.3406Windows 10 Version 1809CVE List
  • 10.0.17763.3406Windows Server 2019CVE List
  • 10.0.17763.3406Windows Server 2019 (Server Core installation)CVE List
  • 10.0.19043.2006Windows 10 Version 21H1CVE List
  • 10.0.20348.1006Windows Server 2022CVE List
  • 10.0.19042.2006Windows 10 Version 20H2CVE List
Show all 24 fixed versions
  • 10.0.22000.978Windows 11 version 21H2CVE List
  • 10.0.19044.2006Windows 10 Version 21H2CVE List
  • 10.0.10240.19444Windows 10 Version 1507CVE List
  • 10.0.14393.5356Windows 10 Version 1607CVE List
  • 10.0.14393.5356Windows Server 2016CVE List
  • 10.0.14393.5356Windows Server 2016 (Server Core installation)CVE List
  • 6.1.7601.26115Windows 7CVE List
  • 6.1.7601.26115Windows 7 Service Pack 1CVE List
  • 6.3.9600.20571Windows 8.1CVE List
  • 6.0.6003.21666Windows Server 2008 Service Pack 2CVE List
  • 6.0.6003.21666Windows Server 2008 Service Pack 2 (Server Core installation)CVE List
  • 6.0.6003.21666Windows Server 2008 Service Pack 2CVE List
  • 6.1.7601.26115Windows Server 2008 R2 Service Pack 1CVE List
  • 6.1.7601.26115Windows Server 2008 R2 Service Pack 1 (Server Core installation)CVE List
  • 6.2.9200.23865Windows Server 2012CVE List
  • 6.2.9200.23865Windows Server 2012 (Server Core installation)CVE List
  • 6.3.9600.20571Windows Server 2012 R2CVE List
  • 6.3.9600.20571Windows Server 2012 R2 (Server Core installation)CVE 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. 13 Sep 2022, 18:42 UTCPublishedCVE List
  2. 14 Sep 2022Added to CISA KEVCISA KEV

Description

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

Text from CVE List

Affected versions 25

  • Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.3406CVE List
  • Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.3406CVE List
  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.3406CVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.3406CVE List
  • Windows 10 Version 21H1affected: 10.0.0 before 10.0.19043.2006CVE List
  • Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.1006CVE List
  • Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.2006CVE List
  • Windows 11 version 21H2affected: 10.0.0 before 10.0.22000.978CVE List
  • Windows 10 Version 21H2affected: 10.0.19043.0 before 10.0.19044.2006CVE List
  • Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.19444CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.5356CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.5356CVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.5356CVE List
  • Windows 7affected: 6.1.0 before 6.1.7601.26115CVE List
  • Windows 7 Service Pack 1affected: 6.1.0 before 6.1.7601.26115CVE List
  • Windows 8.1affected: 6.3.0 before 6.3.9600.20571CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21666CVE List
  • Windows Server 2008 Service Pack 2 (Server Core installation)affected: 6.0.6003.0 before 6.0.6003.21666CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21666CVE List
  • Windows Server 2008 R2 Service Pack 1affected: 6.1.7601.0 before 6.1.7601.26115CVE List
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation)affected: 6.1.7601.0 before 6.1.7601.26115CVE List
  • Windows Server 2012affected: 6.2.9200.0 before 6.2.9200.23865CVE List
  • Windows Server 2012 (Server Core installation)affected: 6.2.9200.0 before 6.2.9200.23865CVE List
  • Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.20571CVE List
  • Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.20571CVE List

References 4