CVE-2023-28252
High 7.8 Exploited in the wild (KEV) Used in ransomware campaigns
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Metrics
- CVSS 3.1
-
7.8 (HIGH)
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 49% (percentile: 99) as of 2 November 2026
- CWE
- CWE-122, CWE-787
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1607; microsoft: windows 10 1809; microsoft: windows 10 20h2; microsoft: windows 10 21h2; microsoft: windows 10 22h2; microsoft: windows 11 21h2; microsoft: windows 11 22h2; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows server 2016; microsoft: windows server 2019; microsoft: windows server 2022
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28252 PatchVendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28252 PatchVendor Advisory
- http://packetstormsecurity.com/files/174668/Windows-Common-Log-File-System-Driv… ExploitThird Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023… US Government Resource