{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-45474/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-10T17:53:18.440Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-45474","@id":"https://www.cve.org/CVERecord?id=CVE-2026-45474","description":"Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally."},"products":[{"@id":"cpe:2.3:a:microsoft:microsoft_365_apps_for_enterprise:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_365_apps_for_enterprise:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:microsoft:microsoft_office_2016:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_office_2016:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:microsoft:microsoft_office_2019:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_office_2019:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:microsoft:microsoft_office_365_for_mac:-:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_office_365_for_mac:-:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:microsoft:microsoft_office_for_android:-:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_office_for_android:-:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:microsoft:microsoft_office_ltsc_2021:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_office_ltsc_2021:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:microsoft:microsoft_office_ltsc_2024:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_office_ltsc_2024:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:microsoft:microsoft_office_ltsc_for_mac_2021:-:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_office_ltsc_for_mac_2021:-:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:microsoft:microsoft_office_ltsc_for_mac_2024:-:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:microsoft:microsoft_office_ltsc_for_mac_2024:-:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 16.0.5556.1005, https://aka.ms/OfficeSecurityReleases.","timestamp":"2026-06-10T17:53:18.440Z"}]}