# CVE-2026-69414

## Summary

- **CVE ID:** CVE-2026-69414
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
- **CWE:** CWE-284
- **Published:** Aug 14, 2026
- **Last Modified:** Sep 16, 2026

## Description

Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ".
We are working to provide a high quality security update that addresses this vulnerability. We will provide information in this CVE when the update is available.

## Affected Products

- Microsoft — Microsoft Malware Protection Engine (-)
- Microsoft — Microsoft Malware Protection Engine (1.1.0.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414)
- [CISA-ADP](https://github.com/MSNightmare/ShieldBreak)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.56%
- **EPSS Percentile:** 45.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._