CVE-2026-105598: Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

PriorityP357high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

EPSS

0.82%

56.9th percentile

Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

Affected

3 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_ltsc_2021	>= 16.0.1 < 16.0.14334.20974	16.0.14334.20974
microsoft	microsoft_office_ltsc_2024	>= 16.0.0 < 16.0.17932.21056	16.0.17932.21056

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