CVE-2021-27059

HIGH KEV

Microsoft Office - Remote Code Execution

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-27059 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021.

Description

Microsoft Office Remote Code Execution Vulnerability

References (2)

Core 2

Scores

CVSS v3 7.6
EPSS 0.0276
EPSS Percentile 86.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact total

Details

CISA KEV 2021-11-03
VulnCheck KEV 2021-03-12
InTheWild.io 2021-03-12
ENISA EUVD EUVD-2021-13830
Status published
Products (3)
microsoft/office 2010 sp2
microsoft/office 2013 sp1 (2 CPE variants)
microsoft/office 2016
Published Mar 11, 2021
KEV Added Nov 03, 2021
Tracked Since Feb 18, 2026