CVE-2026-66806

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CVSS 3.1

5.5 medium

EPSS

<1%p23

Published

Aug 11, 2026 (Aug 11, 2026)

Modified

Aug 14, 2026

Description

Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Vendors: microsoft
Products: 365 apps, office 2019, office 2021, office 2024, word
Weakness: CWE-125, CWE-193
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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