{"id":"CVE-2021-1647","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-1647","summary":"Microsoft Defender Remote Code Execution Vulnerability","details":"Microsoft Defender Remote Code Execution Vulnerability","published":"2021-01-12T20:15:30.727","modified":"2026-06-17T03:32:13.953","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.39392,"percentile":0.98523,"asOf":"2026-09-14"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647"},{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1647"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T03:32:13.953"}}