CVE-2021-34501

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, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-969/

Scores

CVSS v3 7.8
EPSS 0.5318
EPSS Percentile 98.9%
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 (5)
microsoft/365_apps
microsoft/excel 2013 sp1 (2 CPE variants)
microsoft/excel 2016
microsoft/office 2019 (2 CPE variants)
microsoft/office_online_server
Published Jul 14, 2021
Tracked Since Feb 18, 2026