CVE-2021-31939

HIGH

Microsoft Excel - Remote Code Execution

Title source: llm
STIX 2.1

Description

Microsoft Excel Remote Code Execution Vulnerability

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-670/

Scores

CVSS v3 7.8
EPSS 0.1334
EPSS Percentile 96.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

Status published
Products (8)
microsoft/365_apps
microsoft/excel 2013 sp1 (2 CPE variants)
microsoft/excel 2016
microsoft/office 2013 sp1 (2 CPE variants)
microsoft/office 2016
microsoft/office 2019
microsoft/office_online_server
microsoft/office_web_apps_server 2013 sp1
Published Jun 08, 2021
Tracked Since Feb 18, 2026