CVE-2024-9157 Privilege Escalation Vulnerability in CxUIUSvc service

High 7.8 Published Updated

Local attackers can escalate privileges by loading a malicious DLL into the Synaptics audio driver service, which is now end-of-life.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-9157?

CVE-2024-9157 is a high-severity vulnerability in Synaptics Audio Driver, published on 11 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

** UNSUPPORTED WHEN ASSIGNED ** 

A privilege escalation vulnerability in CxUIUSvc64.exe and CxUIUSvc32.exe of Synaptics audio drivers allows a local authorized attacker to load a DLL in a privileged process.

Out of an abundance of caution, this CVE ID is being assigned to better serve our customers and ensure all who are still running this product understand that the product is End-of-Life and should be removed. For more information on this, refer to the CVE Record’s reference information.

Weakness: CWE-284

Which versions are affected by CVE-2024-9157?

How do I fix CVE-2024-9157?

No fix has been published for CVE-2024-9157 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-9157 being exploited?

There is no known exploitation of CVE-2024-9157 in the wild and no public exploit code.

Sources

Also known as GHSA-fxhc-7857-mhjj.

Is CVE-2024-9157 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free