cbcvebase.
CVE-2026-40419
published 2026-05-12

CVE-2026-40419: Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

Affected

7 ranges
VendorProductVersion rangeFixed in
microsoftmicrosoft_365_apps_for_enterprise>= 16.0.1 < https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleases
microsoftmicrosoft_office_2019>= 19.0.0 < https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleases
microsoftmicrosoft_office_ltsc_2021>= 16.0.1 < https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleases
microsoftmicrosoft_office_ltsc_2024>= 16.0.0 < https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleases
microsoftoffice
microsoftoffice_long_term_servicing_channel
microsoftoffice_long_term_servicing_channel