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Case File

CVE-2021-38646

HIGH · CVSS 7.8 EPSS 4.40% CISA KEV · Actively Exploited Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-15 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

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: Known

Added to KEV: 2022-03-28

Required action: Apply updates per vendor instructions.

CVE
CVE-2021-38646
Severity
HIGH
CVSS
7.8
EPSS
4.40%
Microsoft Office

Original NVD Description

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability