CVE-2026-124699

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

  • High 7.8

Description

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.

Key facts

Published
12 Nov 2026
Last changed
14 Nov 2026
Assigned by
ProgressSoftware
EPSS
0.189% likely to be exploited in the next 30 days, higher than 8.628% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.8CVSS 3.1, Highfrom the CNA (ProgressSoftware)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

CAPEC-242 Code Injection (CNA impact statement)

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Progress SoftwareTelerik UI for WinForms
  • Default status: unaffected
  • 2026.3.1007 up to but excluding 2026.4.1111 (affected)

Timeline

  1. 12 Nov 2026 Published

Weakness

References