CVE Catalog

Actively exploited in the wild

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Microsoft - Office · Listed in the CISA KEV since 2022-03-28. This indicates confirmed attacks in production environments.

Required action: Apply updates per vendor instructions.

CVE-2021-38646

HighCVSS 7.8KEV
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Very high risk
4.40%

90th percentile - higher than 90% of all known CVEs

Summary

Remote code execution vulnerability in Microsoft Office Access Connectivity Engine. An attacker could exploit it to run malicious code on the victim's system.

Risk Assessment

Risk of remote system takeover via a specially crafted file.

Recommendation

Apply security updates for Microsoft Office.

Original NVD description (English source)

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Vulnerability data from NVD (NIST) · CISA KEV · EPSS