{"id":"CVE-2026-88145","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-88145","summary":"Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","details":"Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","published":"2026-10-13T19:21:34.267","modified":"2026-10-14T12:49:02.820","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88145"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-14T12:49:02.820"}}