CVE-2021-31955🔥 Known Exploited (CISA KEV)MEDIUM5.5CVSS Severity ScoreEPSS Score66.9570%EPSS Percentile97.13thPublished2021-06-08Last Modified2025-10-30Data SourcesNVDCISA KEVFIRST.org EPSSVulnerability DescriptionWindows Kernel Information Disclosure VulnerabilityAffected Platforms (CPE)💻MicrosoftWindows 10 1809< 10.0.17763.1999💻MicrosoftWindows 10 1909< 10.0.18363.1621💻MicrosoftWindows 10 2004< 10.0.19041.1052💻MicrosoftWindows 10 20h2< 10.0.19042.1052Show All Affected Platforms (+4 more)References & Advisories🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31955🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31955🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31955