CVE-2026-124703 Improper Control of Generation of Code in Progress Telerik UI for WPF
Attackers can execute unauthorized code in applications using Telerik UI for WPF due to improper code generation control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-124703?
CVE-2026-124703 is a high-severity code injection vulnerability in Progress Software Telerik UI for WPF, published on 12 Nov 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In Telerik UI for WPF, versions prior to 2026.4.1110, an improper control of code generation vulnerability exists that allows an attacker to execute unauthorized code in the context of the affected application.
Weakness: CWE-94
Which versions are affected by CVE-2026-124703?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-124703?
No fix has been published for CVE-2026-124703 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-124703 being exploited?
There is no known exploitation of CVE-2026-124703 in the wild and no public exploit code.
Sources
Also known as GHSA-4ph8-r85g-388j.