{"id":"CVE-2026-88090","aliases":[],"cve":{"records":[{"id":"CVE-2026-88090","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-09T21:47:30.203Z","published":"2026-10-29T15:21:48.152Z","modified":"2026-10-30T19:15:03.524Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-10-30T19:15:03.524Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T17:18:26.091Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88090","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-843","description":"CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')","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":"2026-10-30T03:56:33.394305Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.","score":5.4,"severity":"medium","published":"2026-10-29T15:21:48.152Z","modified":"2026-10-30T19:15:03.524Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Microsoft Edge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-2026-88090"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88090"],"sources":[{"name":"CVE","id":"CVE-2026-88090","modified":"2026-10-30T19:15:03.524Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-88090"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","score":5.4}],"sourceAffected":[],"observedAt":"2026-10-30T19:27:36.752Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:05:32.453Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T04:30:35.120Z","attemptedAt":"2026-10-30T04:30:35.120Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T04:30:35.553Z","attemptedAt":"2026-10-30T04:30:35.553Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T04:30:35.120Z","attemptedAt":"2026-10-30T04:30:35.120Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-30T04:30:35.445Z","attemptedAt":"2026-10-30T04:30:35.445Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-88090","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88090","modified":"2026-10-30T04:18:28.177","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","checkedAt":"2026-10-30T04:30:35.120Z"},{"source":"ENISA EUVD","id":"EUVD-2026-113164","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113164","modified":"Oct 29, 2026, 3:21:48 PM","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","checkedAt":"2026-10-30T04:30:35.120Z"},{"source":"GitHub Advisory Database","id":"GHSA-38r5-7wwj-v2qj","url":"https://github.com/advisories/GHSA-38r5-7wwj-v2qj","modified":"2026-10-29T18:31:14Z","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","checkedAt":"2026-10-30T04:30:35.553Z"}],"aiSummary":{"text":"Microsoft Edge (Chromium-based) versions before 154.0.4258.37 have a type confusion weakness, allowing an attacker to elevate privileges over a network. The vulnerability is due to access of a resource using an incompatible type. An unauthorized attacker can exploit this vulnerability.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:05:15.954Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-88090"}]}}