7.8
High
Exploited
CVE-2019-1214 Microsoft Windows Privilege Common Log File System (CLFS) Escalation Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Description
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'.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows | Versions not published | |
| Windows Server | 2019 | No fix stated |
| Windows Server | 2016 | No fix stated |
| Windows Server | 2012 | No fix stated |
| Windows 10 Version 1903 for 32-bit Systems | Versions not published | |
| Windows 10 Version 1903 for x64-based Systems | Versions not published | |
| Windows 10 Version 1903 for ARM64-based Systems | Versions not published | |
| Windows Server, version 1903 (Server Core installation) | Versions not published |
References
- portal.msrc.microsoft.com portal.msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of Windows
The 829 CVEs of Windows →
CVE-2022-50238
The on-endpoint Microsoft vulnerable driver blocklist is not fully synchronized with the online Microsoft recommended…
7.4
High
CVE-2025-59033
The Microsoft vulnerable driver block list is implemented as Windows Defender Application Control (WDAC) policy
7.4
High
CVE-2025-9491
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability
7.0
High
CVE-2022-40733
An access violation vulnerability exists in the DirectComposition functionality win32kbase.sys driver version…
5.0
Medium