[ CVE-2023-28252 · Published 11 Apr 2023 ]
Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 49%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-04-11
- Known to be used in ransomware campaigns
- EPSS: 49% chance of exploitation in the next 30 days (higher than 99% of CVEs)
[ Description ]Official description
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CISA: Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 2 May 2023): Apply updates per vendor instructions.
- Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28252PatchVendor Advisory
- packetstormsecurity.com/files/174668/Windows-Common-Log-File-System-Driver-clfs.sys-Pri…ExploitThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource