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CVE-2023-28252

7.8
HIGHCVSS v3.1 Base Score
61.88%
MEDIUM RiskEPSS (98th percentile)
KEV

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Published: 4/11/2023
Modified: 10/28/2025
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability

Vendor / Product:

Microsoft Windows

Required Action:

Apply updates per vendor instructions.

Due Date: 5/2/2023(OVERDUE)
Ransomware Campaign Use
Added to KEV:

4/11/2023

Notes:

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-28252; https://nvd.nist.gov/vuln/detail/CVE-2023-28252

Vulnerability Summary

CVSS v3 Score

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score (Exploitation Probability)

61.88%MEDIUM Exploitation Risk
98th percentile

This vulnerability has a 61.88% probability of being exploited in the next 30 days, ranking higher than 98% of all scored CVEs.

CWE Classification

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Same Weakness Type(CWE-122)

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Similar SeverityHIGH