CVE-2026-1653 Denial of service in Smart Connect
A local authenticated user can trigger a divide by zero error in the Lenovo Virtual Bus driver, causing a Windows blue screen crash.
- 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-2026-1653?
CVE-2026-1653 is a medium-severity denial of service vulnerability in Lenovo Smart Connect, published on 11 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A potential divide by zero vulnerability was reported in the Lenovo Virtual Bus driver used in Smart Connect that could allow a local authenticated user to cause a Windows blue screen error.
Weakness: CWE-369
Which versions are affected by CVE-2026-1653?
It affects 1 product.
Products include Lenovo Smart Connect.
How do I fix CVE-2026-1653?
No fix has been published for CVE-2026-1653 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-1653 being exploited?
There is no known exploitation of CVE-2026-1653 in the wild and no public exploit code.
Other vulnerabilities in Lenovo Smart Connect
Sources
Also known as GHSA-f5wx-pf3m-r4f3.