Actively exploited · Published Sep 13, 2022 · Assigned by microsoft

CVE-2022-37969Windows Common Log File System Driver Elevation of Privilege Vulnerability

High 7.8 Exploited Ransomware

In plain English

A high-severity out-of-bounds write in Windows 10 Version 1507 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on September 14, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 28.5% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)28.5%top 1.9% of all CVEs
Exploited in the wildYesCISA KEV since Sep 14, 2022
Attack tooling1Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Oct 5, 2022.

Official description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.3406
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.3406
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.3406
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.3406
Microsoft Windows 10 Version 21H1 10.0.0 – before 10.0.19043.2006
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.1006
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.2006
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.978
Microsoft Windows 10 Version 21H2 10.0.19043.0 – before 10.0.19044.2006
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.19444
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.5356
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.5356
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.5356
Microsoft Windows 7 6.1.0 – before 6.1.7601.26115
Microsoft Windows 7 Service Pack 1 6.1.0 – before 6.1.7601.26115
Microsoft Windows 8.1 6.3.0 – before 6.3.9600.20571
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21666
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.21666
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21666
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.26115
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.26115
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.23865
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.23865
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20571
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20571

Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References