{"id":"CVE-2026-20956","details":"Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","modified":"2026-05-04T08:48:09.372314Z","published":"2026-01-13T18:16:23.467Z","withdrawn":"2026-05-04T08:48:09.372314Z","references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20956"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-20956.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2021"}]},{"events":[{"introduced":"0"},{"last_affected":"2021"}]},{"events":[{"introduced":"0"},{"last_affected":"2021"}]},{"events":[{"introduced":"0"},{"last_affected":"2024"}]},{"events":[{"introduced":"0"},{"last_affected":"2024"}]},{"events":[{"introduced":"0"},{"last_affected":"2024"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}