CVE-2021-27059
high
Microsoft
⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
7.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
EPSS Score
3.2%
Exploitation probability in 30 days
Top 13% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: March 11, 2021 (2006 days ago)
Last Modified: August 19, 2026
Vendor: Microsoft
Source: NVD
⚠️ CISA Known Exploited Vulnerability
Added to KEV: 2021-11-03
Remediation Due: 2021-11-17 (⚠ 1756d overdue)
Vulnerability Report
Generated by CyberWatcher
Description
Microsoft Office Remote Code Execution Vulnerability
CWE
NVD-CWE-noinfoAffected Products
microsoft officemicrosoft office 2016