PT-2026-67554 · Microsoft · 365 Apps For Enterprise+4

CVE-2026-62870

Published

2026-08-03

Updated

2026-08-04

CVSS v3.1

8.8

High

Vector

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

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Fix

Use After Free

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CVE-2026-62870

365 Apps For Enterprise

Excel 2016

Office 2019

Office Ltsc 2021

Office Ltsc 2024