SecurityArs Technicaabout 2 hours ago
Windows Defender patch fills hard disks
1 min read
A Microsoft patch for a Windows Defender zero-day, CVE-2026-50656, can cause Windows machines to write files that consume all available disk space. The vulnerability, disclosed by researcher NightmareEclipse, allows remote attackers to gain administrative control of Windows 10 and Windows 11 systems even with real-time protection disabled.
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