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.
[POC] CVE-2026-69414 — ShieldBreak
Windows Defender 0day vulnerability CVE-2026-69414 ShieldBreak
PoC: CVE-2026-69414
**CVE-2026-69414** is an elevation of privilege vulnerability in the **Microsoft Malware Protection Engine** (part of Windows Defender / Microsoft Defender Antivirus), publicly referred to as **"RoguePlanet"**. It represents a **patch bypass** of the original vulnerability **CVE-2026-50656**.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Get alerted for CVEs like this
Register your stack and get notified within minutes when a matching CVE drops.
Start monitoring free