{"id":"CVE-2026-70341","aliases":["EUVD-2026-76143","GHSA-f6v3-2mxj-x777"],"status":"published","title":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","description":"Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00637,"percentile":0.50844,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-09-11T15:50:22Z","modified":"2026-10-30T17:23:05Z","products":[{"vendor":"microsoft","product":"edge"},{"vendor":"microsoft","product":"edge_chromium"},{"vendor":"microsoft","product":"microsoft edge (chromium-based)"},{"vendor":"microsoft","product":"microsoft edge for android"},{"vendor":"microsoft","product":"microsoft edge for ios"},{"vendor":"microsoft","product":"microsoft edge for linux"},{"vendor":"microsoft","product":"microsoft edge for mac"},{"vendor":"microsoft","product":"microsoft edge for windows"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70341","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70341"},{"url":"https://github.com/advisories/GHSA-f6v3-2mxj-x777"}],"sources":{"cve":[{"id":"CVE-2026-70341","title":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","description":"Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-11T15:50:22.899Z","modified":"2026-10-30T17:23:05.185Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-76143","description":"Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-11T15:50:22Z","modified":"2026-10-30T17:23:05Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:59:03.451007Z"}],"ghsa":[{"id":"GHSA-f6v3-2mxj-x777","title":"Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code...","description":"Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-11T18:31:24Z","modified":"2026-09-11T18:31:31Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:11:45.091927Z"}],"nvd":[{"id":"CVE-2026-70341","description":"Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.","status":"published","published":"2026-09-11T16:17:46.08Z","modified":"2026-10-28T21:17:16.087Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:46.271848Z"}]}}