{"id":"CVE-2021-1705","aliases":["EUVD-2021-7172","GHSA-9q66-j74h-5mq3"],"status":"published","title":"Microsoft Edge (HTML-based) Memory Corruption Vulnerability","description":"Microsoft Edge (HTML-based) Memory Corruption Vulnerability","severity":{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0207,"percentile":0.81589,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-01-12T19:42:37Z","modified":"2026-06-17T03:32:24Z","products":[{"vendor":"microsoft","product":"edge"},{"vendor":"microsoft","product":"microsoft edge (edgehtml-based)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1705","tags":["vendor-advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1705","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1705"},{"url":"https://github.com/advisories/GHSA-9q66-j74h-5mq3"}],"sources":{"cve":[{"id":"CVE-2021-1705","title":"Microsoft Edge (HTML-based) Memory Corruption Vulnerability","description":"Microsoft Edge (HTML-based) Memory Corruption Vulnerability","status":"published","published":"2021-01-12T19:42:37Z","modified":"2024-10-08T16:17:41.933Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-7172","description":"Microsoft Edge (HTML-based) Memory Corruption Vulnerability","status":"published","published":"2021-01-12T19:42:37Z","modified":"2024-10-08T16:17:41Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:27:45.386789Z"}],"ghsa":[{"id":"GHSA-9q66-j74h-5mq3","title":"Microsoft Edge (HTML-based) Memory Corruption Vulnerability","description":"Microsoft Edge (HTML-based) Memory Corruption Vulnerability","status":"published","published":"2022-05-24T17:38:50Z","modified":"2024-10-08T18:34:08Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T14:58:27.293589Z"}],"nvd":[{"id":"CVE-2021-1705","description":"Microsoft Edge (HTML-based) Memory Corruption Vulnerability","status":"published","published":"2021-01-12T20:15:34.103Z","modified":"2026-06-17T03:32:24.233Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.6,"vector":"AV:N/AC:H/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:49.284888Z"}]}}