{"id":"CVE-2026-85890","aliases":[],"cve":{"records":[{"id":"CVE-2026-85890","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-04T18:18:19.328Z","published":"2026-10-29T15:09:06.731Z","modified":"2026-10-30T19:02:29.445Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-10-30T19:02:29.445Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T17:18:28.365Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85890","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-415","description":"CWE-415: Double Free","source":"microsoft"}],"applicability":[{"source":"microsoft","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0.0.0","versionEndExcluding":"154.0.4258.37"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T03:56:17.714627Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","score":8.8,"severity":"high","published":"2026-10-29T15:09:06.731Z","modified":"2026-10-30T19:02:29.445Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Microsoft Edge (Chromium-based)","platforms":[],"versions":[{"version":"1.0.0.0","status":"affected","lessThan":"154.0.4258.37","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-85890"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85890"],"sources":[{"name":"CVE","id":"CVE-2026-85890","modified":"2026-10-30T19:02:29.445Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-85890"}],"assessments":[{"source":"microsoft","vector":"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","score":8.8}],"sourceAffected":[],"observedAt":"2026-10-30T19:27:15.749Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T12:10:30.804Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T04:50:32.597Z","attemptedAt":"2026-10-30T04:50:32.597Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T04:50:33.678Z","attemptedAt":"2026-10-30T04:50:33.678Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T04:55:31.497Z","attemptedAt":"2026-10-30T04:55:31.497Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-30T04:55:31.291Z","attemptedAt":"2026-10-30T04:55:31.291Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-85890","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85890","modified":"2026-10-30T04:18:25.537","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-10-30T04:50:32.597Z"},{"source":"GitHub Advisory Database","id":"GHSA-mm3h-8x78-xh5v","url":"https://github.com/advisories/GHSA-mm3h-8x78-xh5v","modified":"2026-10-29T18:31:11Z","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-10-30T04:50:33.678Z"},{"source":"ENISA EUVD","id":"EUVD-2026-113122","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113122","modified":"Oct 29, 2026, 3:09:06 PM","score":8.8,"vector":"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","checkedAt":"2026-10-30T04:55:31.497Z"}],"aiSummary":{"text":"Microsoft Edge (Chromium-based) versions before 154.0.4258.37 have a double free weakness, potentially allowing an attacker to execute code. The vulnerability requires an attacker to have network access. The impact is uncertain.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:12:21.840Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-85890"}]}}