Vulnerability · Published Jun 8, 2021 · Assigned by microsoft

CVE-2021-31978Microsoft Defender Denial of Service Vulnerability

Medium 5.5

In plain English

A medium-severity security flaw in Microsoft Malware Protection Engine from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.2%top 31.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Microsoft Defender Denial of Service Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft Malware Protection Engine 1.1.0.0 – before Version 1.1.18200.3

References