CVE Catalog

Actively exploited in the wild

Microsoft Active Directory Domain Services Privilege Escalation Vulnerability

Microsoft - Active Directory · Listed in the CISA KEV since 2022-04-11. This indicates confirmed attacks in production environments.

Required action: Apply updates per vendor instructions.

CVE-2021-42287

HighCVSS 7.5KEV
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Very high risk
74.27%

99th percentile - higher than 99% of all known CVEs

Summary

Active Directory Domain Services Elevation of Privilege Vulnerability. Technical details are not provided in the description.

Risk Assessment

An attacker with domain credentials could elevate privileges to domain administrator, potentially leading to full compromise of the entire infrastructure.

Recommendation

Apply security patches provided by Microsoft. Monitor Active Directory events for unusual activities.

Original NVD description (English source)

Active Directory Domain Services Elevation of Privilege Vulnerability

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