CVE-2023-21812: Windows Common Log File System Driver Elevation of Privilege Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-14 · updated 2026-08-19
Weakness: CWE-122

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected products

Microsoft Windows 10 Version 1607: before 10.0.10240.19747 — fixed in 10.0.10240.19747
Microsoft Windows 10 1607: before 10.0.14393.5717 — fixed in 10.0.14393.5717
Microsoft Windows 10: before 10.0.17763.4010 — fixed in 10.0.17763.4010
Microsoft Windows 10 20H2: before 10.0.19042.2604 — fixed in 10.0.19042.2604
Microsoft Windows 10: before 10.0.19044.2604 — fixed in 10.0.19044.2604
Microsoft Windows 10: before 10.0.19045.2604 — fixed in 10.0.19045.2604
Microsoft Windows 11 21H2: before 10.0.22000.1574 — fixed in 10.0.22000.1574
Microsoft Windows 11: before 10.0.22621.1265 — fixed in 10.0.22621.1265
Microsoft Windows Server 2008: r2-sp1
Microsoft Windows Server 2012: r2
Microsoft Windows Server 2016: all versions
Microsoft Windows Server 2019: all versions
Microsoft Windows Server 2022: all versions
Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.19747 — fixed in 10.0.10240.19747
Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5717 — fixed in 10.0.14393.5717
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.4010 — fixed in 10.0.17763.4010
Microsoft Windows 10 20H2: from 10.0.0 before 10.0.19042.2604 — fixed in 10.0.19042.2604
Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.2604 — fixed in 10.0.19044.2604
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.2604 — fixed in 10.0.19045.2604
Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22621.1574 — fixed in 10.0.22621.1574
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.1265 — fixed in 10.0.22621.1265
Microsoft Windows Server 2008 R2 Service Pack 1: from 6.1.7601.0 before 6.1.7601.26366 — fixed in 6.1.7601.26366
Microsoft Windows Server 2008 Service Pack 2: from 6.0.6003.0 before 6.0.6003.21915 — fixed in 6.0.6003.21915
Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.24116 — fixed in 6.2.9200.24116
Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.20821 — fixed in 6.3.9600.20821
Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5717 — fixed in 10.0.14393.5717
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.4010 — fixed in 10.0.17763.4010
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1547 — fixed in 10.0.20348.1547

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1607 10.0.10240.19747; Microsoft Windows 10 1607 10.0.14393.5717; Microsoft Windows 10 10.0.17763.4010; Microsoft Windows 10 20H2 10.0.19042.2604; Microsoft Windows 10 10.0.19044.2604; Microsoft Windows 10 10.0.19045.2604; Microsoft Windows 11 21H2 10.0.22000.1574; Microsoft Windows 11 10.0.22621.1265; Microsoft Windows 10 Version 1507 10.0.10240.19747; Microsoft Windows 10 1607 10.0.14393.5717; Microsoft Windows 10 10.0.17763.4010; Microsoft Windows 10 20H2 10.0.19042.2604. Check the vendor advisory for mitigations.

References

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