CVE-2021-43256 HIGH

CVE-2021-43256: Microsoft Excel Remote Code Execution Vulnerability

Vendor Microsoft
Product Office Online Server
Published December 15, 2021
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Microsoft Excel Remote Code Execution Vulnerability

Key dates

02Disclosure timeline

December 15, 2021 CVE published
August 4, 2024 Record updated