CVE-2021-31985

moderate-risk

Published 2021-06-08

Microsoft Defender Remote Code Execution Vulnerability

Do I need to act?

8.3% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.8/10 High

LOCAL / LOW complexity

Malware Protection Engine

Microsoft

Third Party Advisory http://packetstormsecurity.com/files/163443/MpEngine-ASProtect-Embedded-Runtime-...

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3198...

Third Party Advisory http://packetstormsecurity.com/files/163443/MpEngine-ASProtect-Embedded-Runtime-...

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3198...

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moderate-risk

Severity 24/34 · High

Exploitability 10/34 · Low

Exposure 5/34 · Minimal