VulnerabilityModified
CVE-2021-31985
Microsoft Defender Remote Code Execution Vulnerability
HIGH 7.8EPSS 7.76%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Microsoft Defender Remote Code Execution Vulnerability
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 7.76% probability · 94th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/malware protection engine
- Source
- secure@microsoft.com
References
- http://packetstormsecurity.com/files/163443/MpEngine-ASProtect-Embedded-Runtime-DLL-Memory-Corruption.htmlThird Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31985Patch, Vendor Advisory
- http://packetstormsecurity.com/files/163443/MpEngine-ASProtect-Embedded-Runtime-DLL-Memory-Corruption.htmlThird Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31985Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.