CVE-2026-55130

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CVSS 3.1

7.8 high

EPSS

<1%p45

Published

Jul 14, 2026 (Jul 14, 2026)

Modified

Jul 15, 2026

Description

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

Vendors: microsoft
Products: 365 apps, office 2019, office 2021, office 2024, sharepoint server, word
Weakness: CWE-122, CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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