Security restrictions bypass in Microsoft Windows Secure Boot
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-21894 |
| CWE-ID | CWE-254 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Security features bypass
EUVDB-ID: #VU59498
Risk: Low
CVSSv3.1: 4 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2022-21894
CWE-ID:
CWE-254 - Security Features
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to bypass implemented security restrictions.
the vulnerability exists due to an error in Secure Boot implementation. A local user can bypass implemented security restrictions.
Install updates from vendor's website.
Vulnerable software versionsWindows: 8.1 - 11 21H2
Windows Server: 2012 - 2022
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21894
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
