How severe is CVE-2022-24521?

CVE-2022-24521 has a CVSS 3.1 base score of 7.8 (HIGH). EPSS estimates a 7.1% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2022-24521: Windows Common Log File System Driver Elevation of

CISA Known Exploited Vulnerabilities

Microsoft Windows CLFS Driver Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-04-13

Remediation due

2022-05-04

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2022-24521

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Severity

CVSS 3.1 · CNA7.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Microsoft	Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.2803
Microsoft	Windows 10 Version 1809	10.0.0 to <10.0.17763.2803
Microsoft	Windows Server 2019	10.0.17763.0 to <10.0.17763.2803
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.2803
Microsoft	Windows 10 Version 1909	10.0.0 to <10.0.18363.2212
Microsoft	Windows 10 Version 21H1	10.0.0 to <10.0.19043.1645
Microsoft	Windows Server 2022	10.0.20348.0 to <10.0.20348.643
Microsoft	Windows 10 Version 20H2	10.0.0 to <10.0.19042.1645
Microsoft	Windows Server version 20H2	10.0.0 to <10.0.19042.1645
Microsoft	Windows 11 version 21H2	10.0.0 to <10.0.22000.613
Microsoft	Windows 10 Version 21H2	10.0.19043.0 to <10.0.19044.1645
Microsoft	Windows 10 Version 1507	10.0.10240.0 to <10.0.10240.19265
Microsoft	Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.5066
Microsoft	Windows Server 2016	10.0.14393.0 to <10.0.14393.5066
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.5066
Microsoft	Windows 7	6.1.0 to <6.1.7601.25924
Microsoft	Windows 7 Service Pack 1	6.1.0 to <6.1.7601.25924
Microsoft	Windows 8.1	6.3.0 to <6.3.9600.20337
Microsoft	Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.21446
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.6003.0 to <6.0.6003.21446
Microsoft	Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.21446
Microsoft	Windows Server 2008 R2 Service Pack 1	6.1.7601.0 to <6.1.7601.25924
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.1.7601.0 to <6.1.7601.25924
Microsoft	Windows Server 2012	6.2.9200.0 to <6.2.9200.23679
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 to <6.2.9200.23679
Microsoft	Windows Server 2012 R2	6.3.9600.0 to <6.3.9600.20337
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 to <6.3.9600.20337

References

1 Links

Vendor advisories

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Record Details

Published

2022-04-15

Last updated

2025-10-21

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.