Vulnerability in Microsoft Malware Protection Engine

CVE-2021-42298

Microsoft Defender Remote Code Execution Vulnerability

EPSS: 0.023 (85.0th 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/E:U/RL:O/RC:C.

Affected products

Microsoft Malware Protection Engine — versions 1.1.0.0

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42298 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-42298?: CVE-2021-42298 is a high-severity vulnerability in Microsoft Malware Protection Engine. 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.