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Nightmare Eclipse publishes zero-day vulnerability in Microsoft Defender

September 21, 2026, 11:43 UTC · Redmond, United States · Americas

Security researcher Abdelhamid Naseri, former Microsoft V&M employee, published a zero-day vulnerability in Microsoft Defender in open access.

This page was generated automatically by TechMap Live from a public news report published by Habr News. Coordinates and impact level are estimates — an event is usually pinned at a company's headquarters or launch site. This is an aggregation of news coverage, not original reporting — read the original report before relying on it.

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