Summary A vulnerability in the Common Log File System (CLFS) driver allows a local user to gain elevated privileges on Windows 11. The vulnerability is in the CClfsBaseFilePersisted::WriteMetadataBlock function, and is due to return value of ClfsDecodeBlock not being checked, it is possible to corrupt the data of internal CLFS structure, allowing attackers to escalate … SSD Advisory – Common Log File System (CLFS) driver PE Read More »