CVE-2026-44823

—

CVSS 3.1

7.8 high

EPSS

<1%p30

Published

Jun 9, 2026 (Jun 9, 2026)

Modified

Jul 23, 2026

Description

Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Vendors: microsoft
Products: 365 apps, excel, microsoft 365, office 2019, office 2021, office 2024, office online server
Weakness: CWE-197, CWE-416
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 (0.4%)

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