# CVE-2026-14865

## Summary

- **CVE ID:** CVE-2026-14865
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
- **CWE:** CWE-776
- **Published:** Jul 22, 2026
- **Last Modified:** Jul 24, 2026

## Description

In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.

## Affected Products

- Progress Software — Telerik UI for ASP.NET AJAX (2009.1.314)

## References

- [CNA](https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rlb-xxe-injection-client-state-cve-2026-14865)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.43%
- **EPSS Percentile:** 36.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._