CVE-2025-54899

—

CVSS 3.1

7.8 high

EPSS

<1%p46

Published

Sep 9, 2025 (Sep 9, 2025)

Modified

Jun 17, 2026

Description

Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Vendors: microsoft
Products: 365 apps, excel, office, office long term servicing channel
Weakness: CWE-590
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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