VULNERABILITY INTELLIGENCE
CVE-2021-36955
CVSS score7.8 HIGH
EPSS probability4.07%
CISA KEVKnown exploited vulnerability
Published2021-09-15
Last modified2026-08-10
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability
Vendor / product: Microsoft / Windows
Description
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- secure@microsoft.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource