{"id":"CVE-2026-88201","aliases":[],"title":"Microsoft Office Excel Information Disclosure Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","products":[{"vendor":"Microsoft","name":"Microsoft 365 Apps for Enterprise","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.1","status":"affected","lessThan":"https://aka.ms/OfficeSecurityReleases","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-88201"},{"vendor":"Microsoft","name":"Microsoft Office LTSC 2021","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.1","status":"affected","lessThan":"16.0.14334.20974","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-88201"},{"vendor":"Microsoft","name":"Microsoft Office LTSC 2024","platforms":["32-bit Systems","x64-based Systems"],"versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.17932.21056","versionType":"custom"}],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-88201"}],"remediation":[],"description":"Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.","severity":"medium","score":6.5,"published":"2026-10-13T19:00:30.418Z","modified":"2026-10-27T21:30:08.846Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88201"],"sources":[{"name":"CVE","id":"CVE-2026-88201","modified":"2026-10-27T21:30:08.846Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-88201"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","score":6.5}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T17:50:31.025Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}