Vulnerability · Published Sep 15, 2021 · Assigned by microsoft

CVE-2021-38633Windows Common Log File System Driver Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.0%top 36.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.19060
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.4651
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.2183
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.2183
Microsoft Windows 10 Version 1909 10.0.0 – before 10.0.18363.1801
Microsoft Windows 10 Version 2004 10.0.0 – before 10.0.19041.1237
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.1237
Microsoft Windows 10 Version 21H1 10.0.0 – before 10.0.19043.1237
Microsoft Windows 7 6.1.0 – before 6.1.7601.25712
Microsoft Windows 7 Service Pack 1 6.1.0 – before 6.1.7601.25712
Microsoft Windows 8.1 6.3.0 – before 6.3.9600.20120
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.25712
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.25712
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21218
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.21218
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.23462
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.23462
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20120
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20120
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.4651
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.4651
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.2183
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.2183
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.230
Microsoft Windows Server version 2004 10.0.0 – before 10.0.19041.1237
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19042.1237

References