{"id":"CVE-2026-58291","aliases":[],"cve":{"records":[{"id":"CVE-2026-58291","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-06-29T21:59:30.871Z","published":"2026-07-03T20:35:37.453Z","modified":"2026-10-28T20:06:29.412Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-10-28T20:06:29.412Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-07-06T16:51:45.967Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-672","description":"CWE-672: Operation on a Resource after Expiration or Release","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":"150.0.4078.48"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-07-06T15:29:18.331982Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.","score":6.1,"severity":"medium","published":"2026-07-03T20:35:37.453Z","modified":"2026-10-28T20:06:29.412Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Microsoft Edge (Chromium-based)","platforms":[],"versions":[{"version":"1.0.0.0","status":"affected","lessThan":"150.0.4078.48","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-58291"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291"],"sources":[{"name":"CVE","id":"CVE-2026-58291","modified":"2026-10-28T20:06:29.412Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-58291"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C","score":6.1}],"sourceAffected":[],"observedAt":"2026-10-29T14:40:31.611Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T10:20:31.211Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"Microsoft Edge (Chromium-based) versions before 150.0.4078.48 have an information disclosure vulnerability due to operation on a resource after expiration or release. An attacker may disclose information over a network. The vulnerability is described as CWE-672.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:38:42.704Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-58291"}]}}