CVE-2021-28447

Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability

Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability

Affected

Microsoft · Windows 10 Version 1803 · Windows 10 Version 1809 · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows 10 Version 1909 · Windows Server, version 1909 (Server Core installation)

CVSS v3.1 NVD

4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 NVD

2.1 LOWAV:L/AC:L/Au:N/C:N/I:P/A:N

EPSS

2.04% chance of exploitation in the next 30 days, 81st percentile

Published

2021-04-13

Updated

2024-11-19

Proof-of-concept exploits (1)

• https://bi-zone.medium.com/measured-boot-and-malware-signatures-exploring-two-vulnerabili…

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28447

References

• CVE Record
• NVD entry