CVE-2025-54900

—

CVSS 3.1

7.8 high

EPSS

<1%p46

Published

Sep 9, 2025 (Sep 9, 2025)

Modified

Jun 17, 2026

Description

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

Vendors: microsoft
Products: 365 apps, excel, office, office long term servicing channel, office online server
Weakness: CWE-122
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%)

In the news0 stories

No ingested article mentions this CVE yet.