High7.8Microsoft Server Exploited CISA KEV

High [CVE-2023-23376] Windows Common Log File System Driver Elevation of Privilege Vulnerability

This high-severity Microsoft Server advisory covers CVE-2023-23376 affecting Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2016 (Server Core installation).

CVE-2023-23376 Published Feb 14, 2023Updated by vendor Aug 5, 2026

CVE-2023-23376

Affected products & platforms

Microsoft ServerWindows Server

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Summary

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected products named by the advisory: Windows Server 2019; Windows Server 2019 (Server Core installation); Windows Server 2022; Windows Server 2016; and 9 more.

Affected products named by the advisory: Windows Server 2016 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); Windows Server 2008 Service Pack 2; Windows Server 2008 R2 Service Pack 1 (Server Core installation); and 2 more.

CISA Known Exploited Vulnerability

Listed:: Feb 14, 2023 · federal remediation due Mar 7, 2023
Required action:: Apply updates per vendor instructions.
Ransomware use:: Known

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions

Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.4010
Windows 10 Version 1809 10.0.0 before 10.0.17763.4010
Windows Server 2019 10.0.17763.0 before 10.0.17763.4010
Windows Server 2019 (Server Core installation) 10.0.17763.0 before 10.0.17763.4010
Windows Server 2022 10.0.20348.0 before 10.0.20348.1547
Windows 10 Version 20H2 10.0.0 before 10.0.19042.2604
Windows 11 version 21H2 10.0.0 before 10.0.22621.1574
Windows 10 Version 21H2 10.0.19043.0 before 10.0.19044.2604
Windows 11 version 22H2 10.0.22621.0 before 10.0.22621.1265
Windows 10 Version 22H2 10.0.19045.0 before 10.0.19045.2604
Windows 10 Version 1507 10.0.10240.0 before 10.0.10240.19747
Windows 10 Version 1607 10.0.14393.0 before 10.0.14393.5717

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions

10.0.17763.4010
10.0.20348.1547
10.0.19042.2604
10.0.22621.1574
10.0.19044.2604
10.0.22621.1265
10.0.19045.2604
10.0.10240.19747
10.0.14393.5717
6.0.6003.21915
6.1.7601.26366
6.2.9200.24116

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

Upgrade to a fixed release: 10.0.17763.4010, 10.0.20348.1547, 10.0.19042.2604, 10.0.22621.1574, 10.0.19044.2604, 10.0.22621.1265. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Discussion(0)

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