{"id":"CVE-2026-83831","title":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","summary":"Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-415"],"vendor":"Microsoft","product":"Microsoft Edge (Chromium-based)","affected":["edge_chromium-based >= 1.0.0.0 < 154.0.4258.48"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T21:24:28.766Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-83831","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83831","label":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T20:56:38.449Z","slug":"CVE-2026-83831","body":"## Overview\n\nDouble free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.\n\n## Affected\n\n- `edge_chromium-based >= 1.0.0.0 < 154.0.4258.48`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}