Is CVE-2022-34325 actively exploited?

No active exploitation of CVE-2022-34325 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-34325 be exploited remotely?

No. CVE-2022-34325 requires local access to exploit.

What is the CVSS score of CVE-2022-34325?

CVE-2022-34325 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2022-34325

HIGH

CVE-2022-34325

CWE-367Published: November 14, 2022· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

DMA transactions which are targeted at input buffers used for the StorageSecurityCommandDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the StorageSecurityCommandDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by

NVD Source

Technical Analysis

CVE-2022-34325 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.