CVE-2026-69477: Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.

PriorityP344high7.3CVSS 3.1

AVLACLPRLUIRSUCHIHAH

EPSS

0.42%

35.4th percentile

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

Affected

6 ranges

Vendor	Product	Version range	Fixed in
microsoft	access	—	—
microsoft	microsoft_365_apps_for_enterprise	>= 16.0.1 < 16.0.20326.20138	16.0.20326.20138
microsoft	microsoft_access_2016	>= 16.0.0 < 16.0.5569.1000	16.0.5569.1000
microsoft	microsoft_office_2019	>= 19.0.0 < 16.0.10417.20207	16.0.10417.20207
microsoft	microsoft_office_ltsc_2021	>= 16.0.1 < 16.0.14334.20906	16.0.14334.20906
microsoft	microsoft_office_ltsc_2024	>= 16.0.0 < 16.0.17932.20976	16.0.17932.20976

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