CVE-2021-42287🔥 Known Exploited (CISA KEV)HIGH7.5CVSS Severity ScoreEPSS Score57.9630%EPSS Percentile98.17thPublished2021-11-10Last Modified2025-10-30Data SourcesNVDCISA KEVFIRST.org EPSSVulnerability DescriptionActive Directory Domain Services Elevation of Privilege VulnerabilityAffected Platforms (CPE)💻MicrosoftWindows Server 2008All versions= r2💻MicrosoftWindows Server 2012All versions= r2💻MicrosoftWindows Server 2016< 10.0.14393.4770= 2004💻MicrosoftWindows Server 2019< 10.0.17763.2300Show All Affected Platforms (+1 more)References & Advisories🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42287🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42287🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42287