CVE-2021-43256

—

CVSS 3.1

7.8 high

EPSS

2%p80

Published

Dec 15, 2021 (Dec 15, 2021)

Modified

Jun 17, 2026

Description

Microsoft Excel Remote Code Execution Vulnerability

Vendors: microsoft
Products: 365 apps, excel, excel rt, office, office long term servicing channel, office online server, office web apps
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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