# CVE-2026-124703: Improper Control of Generation of Code in Progress Telerik UI for WPF

Status: published. Published: 2026-11-12. Updated: 2026-11-12.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Progress Software / Telerik UI for WPF: ≥ 2026.3.1007; < 2026.4.1110 (affected, custom). Source: CNA: ProgressSoftware

## Severity and prioritization

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: CNA: ProgressSoftware

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: NVD: security@progress.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-94

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.telerik.com/products/wpf/documentation/knowledge-base/kb-security-improper-control-of-generation-of-code-cve-2026-124703 (CNA: ProgressSoftware; vendor-advisory)

- https://www.telerik.com/products/wpf/documentation/knowledge-base/kb-security-improper-control-of-generation-of-code-cve-2026-124703 (security@progress.com)

## Provenance

- CNA: ProgressSoftware: https://www.cve.org/CVERecord?id=CVE-2026-124703; retrieved 2026-11-12; source updated 2026-11-12

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-124703; retrieved 2026-11-12; source updated 2026-11-12

Revision: 0681d0cc06004353fac92744c92584569dacb21a0b63512fa555f63218d841c1

Canonical: https://y2.dev/cve/CVE-2026-124703

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