April 11, 2023 · Applied Cybernetics Group
CVE-2023-28252 — Microsoft Windows
known ransomware use
Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability
- Added to KEV
2023-04-11- Federal due date
2023-05-02- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 98.7th percentile (score 0.490, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1003 , T1021 , T1059 , T1068 , T1078 , T1136 , T1486 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-28252
CISA short description
Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.
Required action
Apply updates per vendor instructions.