CVE-2021-31978
Medium
Published: 08 June 2021
Published
08 June 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
0.0063
70.8th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-31978 is a medium-severity an unspecified weakness vulnerability in Microsoft Malware Protection Engine. Its CVSS base score is 5.5 (Medium).
Operationally, ranked in the top 29.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-18850
Vulnerability details
Microsoft Defender Denial of Service Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
malware protection engine
≤ 1.1.18200.3
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.