{"affected":[{"product":"Microsoft Edge (Chromium-based)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"150.0.4078.48","status":"affected","version":"1.0.0.0","versionType":"custom"}]}],"cveId":"CVE-2026-58291","cwes":["CWE-672"],"description":"Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.","epss":{"date":"2026-11-10","percentile":0.62852,"score":0.00992},"exploits":[],"kev":null,"metrics":[{"score":6.1,"severity":"medium","source":"CNA: 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","version":"3.1"}],"modifiedAt":1794350427239,"publishedAt":1783110937453,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291"}],"revision":"3b08bc97a50e0e1c627ac97125a108ae755e0c0c6d48ec79b25c687b0609329a","sources":[{"modifiedAt":1794350427239,"name":"CNA: microsoft","retrievedAt":1794353260428,"url":"https://www.cve.org/CVERecord?id=CVE-2026-58291"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794353277716,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-58291"}],"ssvc":{"assessedAt":1783351758331,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Microsoft Edge (Chromium-based) Information Disclosure Vulnerability","updatedAt":1794353277716}