Microsoft Defender Zero-Day Vulnerabilities Exploited in Active Attacks

Microsoft has begun rolling out security patches for two zero-day vulnerabilities in Microsoft Defender that have been actively exploited in attacks. The vulnerabilities were being leveraged in real-world attacks prior to patch availability. The disclosure follows Microsoft's standard Patch Tuesday cycle and highlights ongoing risks from unpatched endpoint security software. The limited article content constrains full assessment of attacker attribution, targeting scope, or downstream impact.

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