{"id":"CVE-2021-31196","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-31196","summary":"Microsoft Exchange Server Remote Code Execution Vulnerability","details":"Microsoft Exchange Server Remote Code Execution Vulnerability","published":"2021-07-14T18:15:09.463","modified":"2026-08-10T19:58:38.973","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.54056,"percentile":0.98948,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31196"},{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-10T19:58:38.973"}}