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High severity7.8NVD Advisory· Published Jun 8, 2021· Updated Jun 17, 2026

CVE-2021-31985

CVE-2021-31985

Description

Microsoft Defender Remote Code Execution Vulnerability

Affected products

2

Microsoft/Malware Protection Engine
cpe:2.3:a:microsoft:malware_protection_engine:*:*:*:*:*:*:*:*
Range: <1.1.18200.3
Microsoft/Defenderllm-fuzzy

Patches

Vulnerability mechanics

References

2

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31985nvdPatchVendor Advisory
packetstormsecurity.com/files/163443/MpEngine-ASProtect-Embedded-Runtime-DLL-Memory-Corruption.htmlnvdThird Party AdvisoryVDB Entry

News mentions

0

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