CVE-2021-43226🔥 Known Exploited (CISA KEV)HIGH7.8CVSS Severity ScoreEPSS Score95.0690%EPSS Percentile86.84thPublished2021-12-15Last Modified2025-10-30Data SourcesNVDCISA KEVFIRST.org EPSSVulnerability DescriptionWindows Common Log File System Driver Elevation of Privilege VulnerabilityAffected Platforms (CPE)💻MicrosoftWindows 10 1507< 10.0.10240.19145💻MicrosoftWindows 10 1607< 10.0.14393.4825💻MicrosoftWindows 10 1809< 10.0.17763.2366💻MicrosoftWindows 10 1909< 10.0.18363.1977Show All Affected Platforms (+15 more)References & Advisories🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43226🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43226🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-43226