Description
Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability
Metrics
CVSS 3.1 4.4/10
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:NAffected software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1803 | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1809 | >= 10.0.0, < publication |
| Microsoft | Windows Server 2019 | >= 10.0.0, < publication |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1909 | >= 10.0.0, < publication |
| Microsoft | Windows Server, version 1909 (Server Core installation) | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 2004 | >= 10.0.0, < publication |
| Microsoft | Windows Server version 2004 | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 20H2 | >= 10.0.0, < publication |
| Microsoft | Windows Server version 20H2 | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1507 | >= 10.0.0, < publication |
| Microsoft | Windows 10 Version 1607 | >= 10.0.0, < publication |
| Microsoft | Windows Server 2016 | >= 10.0.0, < publication |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.0, < publication |
| Microsoft | Windows 8.1 | >= 6.3.0, < publication |
| Microsoft | Windows Server 2012 | >= 6.2.0, < publication |
| Microsoft | Windows Server 2012 (Server Core installation) | >= 6.2.0, < publication |
| Microsoft | Windows Server 2012 R2 | >= 6.3.0, < publication |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | >= 6.3.0, < publication |
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-2021-27094Patch, 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-2021-27094Patch, Vendor Advisory
Timeline
- Published
- Apr 13, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified