Vulnerability in Microsoft Malware Protection Engine

CVE-2021-31985

Microsoft Defender Remote Code Execution Vulnerability

EPSS: 0.108 (93.5th 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-2021-31985 (x_refsource_MISC)
packetstormsecurity.com/files/163443/MpEngine-ASProtect-Embedded-Runtime-DLL-Me… (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-31985?: CVE-2021-31985 is a high-severity vulnerability in Microsoft Malware Protection Engine. CVSS score: 7.8/10. Published 2021-06-08.
How severe is CVE-2021-31985?: High severity. CVSS v3 base score is 7.8 out of 10.