CVE-2019-1214: Microsoft Windows Privilege Common Log File System (CLFS) Escalation Vulnerability
CVE-2019-1214 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03
An elevation of privilege vulnerability exists in the Microsoft Windows Common Log File System (CLFS) driver due to improper handling of objects in memory. A local attacker could exploit this to execute code with elevated privileges.
Yes. CVE-2019-1214 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2019-1214?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Microsoft Windows 7 Service Pack 1; Microsoft Windows 8.1; Microsoft Windows RT 8.1; Microsoft Windows 10 1507, 1607, 1703, 1709, 1803, 1809, 1903; and 4 more.
Is there a fix for CVE-2019-1214?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2019-1214 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2019-1214?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Microsoft Windows 7 Service Pack 1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows 10 1507, 1607, 1703, 1709, 1803, 1809, 1903
Microsoft Windows Server 2008 Service Pack 2, R2 Service Pack 1
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016 1803, 1903
Microsoft Windows Server 2019
Timeline
2019-09-12: disclosed: Initial analysis by NIST
2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2021-11-03: exploited: Reported as exploited in the wild