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CVE-2026-69414

Microsoft Malware Protection Engine•HIGH · CVSS 7.8•No exploitation reported

What is CVE-2026-69414?

Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ".

CVSS7.8 NVD 3.1

SeverityHIGH

ExploitationNo exploitation reported

EPSS1% · P72

Triage statusNo Known Exploit

ActionPatch this week

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWECWE-59, CWE-269

NVD published2026-08-14

NVD last modified2026-10-28

Timeline

2026-08-14Published to the U.S. National Vulnerability Database (NVD)
2026-09-11First covered in a defend.network daily briefing
2026-10-28NVD record last updated

Affected product

Microsoft Malware Protection Engine

References

Referenced in our briefings & reports

Android malware surge; AI-powered PaperCut campaign hits 395+ orgs (2026-09-11)

Related vulnerabilities

CVE-2026-50656 – Microsoft Malware Protection Engine (same product)
CVE-2026-41091 – Microsoft Defender (same product)
CVE-2026-81963 – Microsoft Windows (same vendor)
CVE-2026-96951 – Microsoft Windows (same vendor)
CVE-2026-75682 – Adobe Connect (same vendor)
CVE-2026-85889 – Microsoft Azure Ai Foundry (same vendor)

Microsoft: 390 known exploited vulnerabilities (CISA KEV) →

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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.