CVE-2026-124699 PUBLISHED

Improper Control of Generation of Code in Progress Telerik UI for WinForms

Assigner: ProgressSoftware
Reserved: 09.11.2026 Published: 12.11.2026 Updated: 12.11.2026

In Telerik UI for WinForms, versions prior to 2026.4.1111, an improper control of code generation vulnerability exists that allows an attacker to supply a crafted expression and execute unauthorized code in the context of the affected application.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.8

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Progress Software
Product	Telerik UI for WinForms
Versions	Default: unaffected affected from 2026.3.1007 to 2026.4.1111 (excl.)

References

https://www.telerik.com/products/winforms/documentation/knowledge-base/kb-security-improper-control-of-generation-of-code-cve-2026-124699

Problem Types

CWE-94 Improper Control of Generation of Code CWE

Impacts

CAPEC-242 Code Injection