{"id":"CVE-2026-109461","aliases":[],"title":"Microsoft Authentication Library (MSAL) for Node.js Information Disclosure Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","products":[{"vendor":"Microsoft","name":"Microsoft Identity Client for NodeJS","platforms":["Windows 10 Version 22H2 for x64-based Systems"],"versions":[{"version":"5.0.0","status":"affected","lessThan":"7.1.0","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-109461"}],"remediation":[],"description":"Origin validation error in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to disclose information over a network.","severity":"medium","score":5.9,"published":"2026-10-16T17:11:24.532Z","modified":"2026-10-28T18:22:31.570Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109461"],"sources":[{"name":"CVE","id":"CVE-2026-109461","modified":"2026-10-28T18:22:31.570Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-109461"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","score":5.9}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T03:10:35.950Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-28T19:25:33.832Z","attemptedAt":"2026-10-28T19:25:33.832Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-28T19:25:34.243Z","attemptedAt":"2026-10-28T19:25:34.243Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-28T19:25:34.669Z","attemptedAt":"2026-10-28T19:25:34.669Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-28T19:25:33.325Z","attemptedAt":"2026-10-28T19:25:33.325Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-109461","url":"https://www.first.org/epss/","probability":0.00361,"percentile":0.29831,"date":"2026-10-28","checkedAt":"2026-10-28T19:25:33.325Z"},{"source":"NVD","id":"CVE-2026-109461","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109461","modified":"2026-10-18T12:17:05.340","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","checkedAt":"2026-10-28T19:25:33.832Z"},{"source":"GitHub Advisory Database","id":"GHSA-xcx6-jx8p-x3h5","url":"https://github.com/advisories/GHSA-xcx6-jx8p-x3h5","modified":"2026-10-23T22:16:45Z","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","checkedAt":"2026-10-28T19:25:34.243Z"},{"source":"ENISA EUVD","id":"EUVD-2026-102952","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-102952","modified":"Oct 28, 2026, 6:22:31 PM","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","checkedAt":"2026-10-28T19:25:34.669Z"}]}