{"id":"CVE-2026-85897","aliases":[],"cve":{"records":[{"id":"CVE-2026-85897","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-04T18:21:15.992Z","published":"2026-10-29T15:09:07.330Z","modified":"2026-10-30T19:02:30.034Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-10-30T19:02:30.034Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T17:18:28.208Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85897","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","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":"2026-10-30T03:56:18.453394Z","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":"Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","score":8.8,"severity":"high","published":"2026-10-29T15:09:07.330Z","modified":"2026-10-30T19:02:30.034Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Microsoft Edge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-2026-85897"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85897"],"sources":[{"name":"CVE","id":"CVE-2026-85897","modified":"2026-10-30T19:02:30.034Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-85897"}],"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":"2026-10-30T19:27:17.575Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T13:55:32.867Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T04:50:32.192Z","attemptedAt":"2026-10-30T04:50:32.192Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T04:50:32.257Z","attemptedAt":"2026-10-30T04:50:32.257Z"},{"source":"EUVD","status":"refresh-failed","attemptedAt":"2026-10-30T04:50:31.107Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-30T04:50:32.088Z","attemptedAt":"2026-10-30T04:50:32.088Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-85897","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85897","modified":"2026-10-30T04:18:25.693","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","checkedAt":"2026-10-30T04:50:32.192Z"},{"source":"GitHub Advisory Database","id":"GHSA-hhxr-627x-gcwm","url":"https://github.com/advisories/GHSA-hhxr-627x-gcwm","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":"2026-10-30T04:50:32.257Z"}],"aiSummary":{"text":"Microsoft Edge (Chromium-based) versions before 154.0.4258.37 have a heap-based buffer overflow weakness. An attacker may execute code.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:12:22.110Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-85897"}]}}