VulnerabilityModified
CVE-2021-28447
Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability
MEDIUM 4.4EPSS 2.04%
Does this matter?
Lower severity and a low EPSS score (2.04%). Track it; it rarely justifies an emergency change on its own.
Description
Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability
- CVSS 3.1
- 4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 2.04% probability · 80th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019
- Source
- secure@microsoft.com
References
- https://bi-zone.medium.com/measured-boot-and-malware-signatures-exploring-two-vulnerabilities-found-in-the-windows-loader-5a4fcc3c4b66Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28447Patch, Vendor Advisory
- https://bi-zone.medium.com/measured-boot-and-malware-signatures-exploring-two-vulnerabilities-found-in-the-windows-loader-5a4fcc3c4b66Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28447Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.