CVE-2021-42298

HighCVSS 7.8

Published: 10/11/2021(UTC)Updated: 19/08/2026(UTC)Translated: 19/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

5.29%

92th percentile - higher than 92% of all known CVEs

Remote code execution vulnerability in Microsoft Defender. An attacker could exploit this vulnerability to execute arbitrary code on the system.

Risk of system compromise, which could lead to malware installation or data theft.

Install the security update from the vendor that addresses this vulnerability.

Original NVD description (English source)

Microsoft Defender Remote Code Execution Vulnerability