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Known vulnerabilities in Microsoft Defender Antimalware Platform

Is your version affected?

CVE Summary Score Published
CVE-2026-45498 Exploited Microsoft Defender Denial of Service Vulnerability 4.0 Medium May 20, 2026
CVE-2026-33825 Exploited Microsoft Defender Insufficient Granularity of Access Control Vulnerability 7.8 High Apr 14, 2026

Other Microsoft products