CVE-2026-70130: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

PriorityP351high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.32%

24.3th percentile

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

Affected

4 ranges

Vendor	Product	Version range	Fixed in
microsoft	microsoft_365_apps_for_enterprise	>= 16.0.1 < https://aka.ms/OfficeSecurityReleases	https://aka.ms/OfficeSecurityReleases
microsoft	microsoft_office_2019	>= 19.0.0 < https://aka.ms/OfficeSecurityReleases	https://aka.ms/OfficeSecurityReleases
microsoft	microsoft_office_ltsc_2021	>= 16.0.1 < https://aka.ms/OfficeSecurityReleases	https://aka.ms/OfficeSecurityReleases
microsoft	microsoft_office_ltsc_2024	>= 16.0.0 < https://aka.ms/OfficeSecurityReleases	https://aka.ms/OfficeSecurityReleases

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