Microsoft Windows Privilege Common Log File System (CLFS) Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2021. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| Windows | Versions not published yet (product named by CISA KEV) | |
An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory, aka 'Windows Common Log File System Driver Elevation of Privilege Vulnerability'.
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