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Case File

CVE-2021-27059

HIGH · CVSS 7.6 EPSS 3.18% CISA KEV · Actively Exploited Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-11 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.6. It affects Microsoft, Office. It is listed in CISA's Known Exploited Vulnerabilities catalog, indicating confirmed active exploitation in the wild. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CISA KEV Details

Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.

Ransomware use: Unknown

Added to KEV: 2021-11-03

Required action: Apply updates per vendor instructions.

CVE
CVE-2021-27059
Severity
HIGH
CVSS
7.6
EPSS
3.18%
Microsoft Office

Original NVD Description

Microsoft Office Remote Code Execution Vulnerability

Related CVEs

Other vulnerabilities affecting the same vendor(s)