{"id":"CVE-2026-85899","title":"Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability","summary":"Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges over a network.","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-416"],"vendor":"Microsoft","product":"Microsoft Edge (Chromium-based)","affected":["edge_chromium-based >= 1.0.0.0 < 155.0.4283.45"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-30T03:56:34.266155Z"},"published":"2026-10-29","updated":"2026-10-31","sourceUpdated":"2026-10-31T18:13:35.612Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85899","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85899","label":"Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability"}],"tags":["cve.org"],"epss":0.00642,"epssPercentile":0.50882,"ingestedAt":"2026-11-05T18:28:50.652Z","slug":"CVE-2026-85899","body":"## Overview\n\nUse after free in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges over a network.\n\n## Affected\n\n- `edge_chromium-based >= 1.0.0.0 < 155.0.4283.45`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}