CVE-2021-31196🔥 Known Exploited (CISA KEV)HIGH7.2CVSS Severity ScoreEPSS Score90.8150%EPSS Percentile86.90thPublished2021-07-14Last Modified2025-10-29Data SourcesNVDCISA KEVFIRST.org EPSSVulnerability DescriptionMicrosoft Exchange Server Remote Code Execution VulnerabilityAffected Platforms (CPE)📦MicrosoftExchange Server= 2013= 2016= 2019References & Advisories🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196