# CVE-2026-11573

## Summary

- **CVE ID:** CVE-2026-11573
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-674
- **Published:** Sep 8, 2026
- **Last Modified:** Sep 8, 2026

## Description

Uncontrolled recursion in Qt's QDomDocument serialization (QtXml) lets deeply nested untrusted XML crash the app via stack exhaustion (DoS only).

## Affected Products

- qt — qt (6.7.0)

## References

- [CNA](https://codereview.qt-project.org/c/qt/qtbase/+/606899)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.31%
- **EPSS Percentile:** 23.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._