CVE-2026-68798

HIGH CVSS 7.8 View on NVD ↗

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

microsoft/365_apps microsoft/microsoft_365 microsoft/office_2021 microsoft/office_2024

Published: Aug 11, 2026 17:19 UTC Modified: Aug 12, 2026 15:55 UTC