Windows Common Log File System Driver Elevation of Privilege Vulnerability
https://securityaffairs.com/183049/security/u-s-cisa-adds-oracle-mozilla-microsoft-windows-linux-kernel-and-microsoft-ie-flaws-to-its-known-exploited-vulnerabilities-catalog.html
https://www.cisa.gov/news-events/alerts/2025/10/06/cisa-adds-seven-known-exploited-vulnerabilities-catalog
https://www.cisa.gov/news-events/cybersecurity-advisories/aa24-207a
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-43226
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43226
Source: Mitre, NVD
Published: 2021-12-15
Updated: 2025-10-30
Known Exploited Vulnerability (KEV)
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.12576
