Crypto Pro Boot Loader Secure Boot bypass in Microsoft Windows

Published: 2022-08-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-34303
Exploitation vector Local
Public exploit N/A
Vulnerable software
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: #VU66350

Risk: Low


CVE-ID: CVE-2022-34303

CWE-ID: CWE-254 - Security Features

Exploit availability: No


The vulnerability allows an attacker to bypass Secure Boot.

The vulnerability exists due to unspecified error. An attacker with physical access to the system can bypass Secure Boot and gain unauthorized access to the system.


Install updates from vendor's website.

Vulnerable software versions

Windows: 8.1 - 11 21H2

Windows Server: 2012 - 2022 20H2

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?