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Microsoft Security Response CenterCVE-2026-69414

Microsoft Defender Elevation of Privilege Vulnerability

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.

Read the vendor bulletin Get alerts for Microsoft Malware Protection Engine
7.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft Malware Protection Engine
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-69414View CVSS, KEV, EPSS, and threat context
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