CVE-2025-4426 SetupAutomationSmm : SMRAM memory contents leak / information disclosure vulnerability in SMM module
An attacker can leak SMRAM memory contents via the SetupAutomationSmm module in Lenovo devices using InsydeH2O firmware.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4426?
CVE-2025-4426 is a medium-severity vulnerability in InsydeH2O, published on 30 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The vulnerability was identified in the code developed specifically for Lenovo. Please visit "Lenovo Product Security Advisories and Announcements" webpage for more information about the vulnerability. https://support.lenovo.com/us/en/product_security/home
Weakness: CWE-200
Which versions are affected by CVE-2025-4426?
How do I fix CVE-2025-4426?
No fix has been published for CVE-2025-4426 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-4426 being exploited?
There is no known exploitation of CVE-2025-4426 in the wild and no public exploit code.
Sources
Also known as GHSA-g6vv-g2rm-qrv7.