RCE in Microsoft Malware Protection Engine

CVE-2021-42298

Microsoft Defender Remote Code Execution Vulnerability

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.058 (93.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-42298: held from 0.058 to 0.058.

EPSS over last 30 days · oldest: 0.058 · newest: 0.058 · change: +0.000

Affected products

Weakness classification (CWE)

References

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.