CVE-2026-90503 Chengdu Qilu Technology Ludashi ComputerZ_x64.sys sub_11008 information disclosure
Local attackers can exploit a flaw in the Ludashi ComputerZ_x64.sys driver to disclose sensitive information via manipulated physical address arguments.
- 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-2026-90503?
CVE-2026-90503 is a medium-severity vulnerability in Chengdu Qilu Technology Ludashi, published on 13 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in Chengdu Qilu Technology Ludashi 6.1026.4715.714. The affected element is the function sub_11008 in the library ComputerZ_x64.sys. Executing a manipulation of the argument PhysicalAddress can lead to information disclosure. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-90503?
How do I fix CVE-2026-90503?
No fix has been published for CVE-2026-90503 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-90503 being exploited?
There is no known exploitation of CVE-2026-90503 in the wild and no public exploit code.
Sources
Also known as GHSA-g88r-c893-696x.