What is CVE-2021-42298?

CVE-2021-42298 is a high-severity vulnerability in Microsoft Malware_protection_engine, classified under Code Injection. CVSS score: 7.8/10. Published 2021-11-10.

How severe is CVE-2021-42298?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Microsoft Malware_protection_engine

CVE-2021-42298

Microsoft Defender Remote Code Execution Vulnerability

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.053 (91.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Malware_protection_engine
Microsoft Malware Protection Engine — versions 1.1.0.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

secure@microsoft.com (Patch, x_refsource_MISC, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42298?: CVE-2021-42298 is a high-severity vulnerability in Microsoft Malware_protection_engine, classified under Code Injection. CVSS score: 7.8/10. Published 2021-11-10.
How severe is CVE-2021-42298?: High severity. CVSS v3 base score is 7.8 out of 10.