CVE-2021-27094
MEDIUMCVSS 4.4/10EPSS 0.97%
Last modified
CVE-2021-27094 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability. EPSS estimates a 0.97% chance of exploitation in the next 30 days.
Description
Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 | All versions |
| Microsoft | Windows 10 | 20h2 |
| Microsoft | Windows 10 | 1607 |
| Microsoft | Windows 10 | 1803 |
| Microsoft | Windows 10 | 1809 |
| Microsoft | Windows 10 | 1909 |
| Microsoft | Windows 10 | 2004 |
| Microsoft | Windows 8.1 | All versions |
| Microsoft | Windows Rt 8.1 | All versions |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | All versions |
| Microsoft | Windows Server 2016 | 20h2 |
| Microsoft | Windows Server 2016 | 1909 |
| Microsoft | Windows Server 2016 | 2004 |
| Microsoft | Windows Server 2019 | All versions |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27094Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27094Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27094?
Windows Early Launch Antimalware Driver Security Feature Bypass Vulnerability
How severe is CVE-2021-27094?
CVE-2021-27094 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27094?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-27088Windows Event Tracing Elevation of Privilege Vulnerability7.8
- CVE-2021-27089Microsoft Internet Messaging API Remote Code Execution Vulne…7.8
- CVE-2021-27090Windows Secure Kernel Mode Elevation of Privilege Vulnerabil…7.8
- CVE-2021-27091RPC Endpoint Mapper Service Elevation of Privilege Vulnerabi…7.8
- CVE-2021-27092Azure AD Web Sign-in Security Feature Bypass Vulnerability6.8
- CVE-2021-27093Windows Kernel Information Disclosure Vulnerability5.5
- CVE-2021-27095Windows Media Video Decoder Remote Code Execution Vulnerabil…7.8
- CVE-2021-27096NTFS Elevation of Privilege Vulnerability7.8
- CVE-2021-27097The boot loader in Das U-Boot before 2021.04-rc2 mishandles …7.8
- CVE-2021-27098In SPIRE 0.8.1 through 0.8.4 and before versions 0.9.4, 0.10…8.1
- CVE-2021-27099In SPIRE before versions 0.8.5, 0.9.4, 0.10.2, 0.11.3 and 0.…6.8
- CVE-2021-27101Accellion FTA 9_12_370 and earlier is affected by SQL inject…9.8
Are you affected by CVE-2021-27094?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST