Main Vulnerability Database Vulnerabilities #VU58049

Code Injection in Microsoft Malware Protection Engine - CVE-2021-42298

Published: November 9, 2021 / Updated: December 1, 2022

Vulnerability identifier: #VU58049

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber

CVE-ID: CVE-2021-42298

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vendor: Microsoft

Affected software:
Microsoft Malware Protection Engine

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in Microsoft Defender. A remote attacker can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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