CVE-2021-31978: Microsoft Defender Denial of Service Vulnerability
First published: Tue Jun 08 2021(Updated: )
Microsoft Defender Denial of Service Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Malware Protection Engine | <1.1.18200.3 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is CVE-2021-31978?
CVE-2021-31978 is a vulnerability in Microsoft Defender that can be exploited to cause a denial of service.
How severe is CVE-2021-31978?
CVE-2021-31978 has a severity rating of 5.5 (Medium) according to the Common Vulnerability Scoring System (CVSS).
Which software is affected by CVE-2021-31978?
The vulnerability affects Microsoft Malware Protection Engine version up to 1.1.18200.3.
How can CVE-2021-31978 be fixed?
To fix CVE-2021-31978, update the Microsoft Malware Protection Engine to version 1.1.18203.0 or later.
Where can I find more information about CVE-2021-31978?
You can find more information about CVE-2021-31978 in the Microsoft Security Guidance Advisory at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31978.
- collector/nvd-index
- agent/author
- agent/type
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/references
- agent/remedy
- agent/severity
- agent/title
- agent/tags
- agent/description
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/mitre-cve
- source/MITRE
- vendor/microsoft
- canonical/microsoft malware protection engine