SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-31978

Microsoft Defender Denial of Service Vulnerability

MEDIUM 5.5EPSS 1.23%

Does this matter?

Lower severity and a low EPSS score (1.23%). Track it; it rarely justifies an emergency change on its own.

Description

Microsoft Defender Denial of Service Vulnerability

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
1.23% probability · 67th percentile
CISA KEV
Not listed
Affected
microsoft/malware protection engine
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.