cve-2026-62878

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Data center server racks, representing the Windows DNS Server vulnerability

microsoft just patched a Windows bug that could worm through every DNS server on earth

CVE-2026-62878 is a 9.8-severity, zero-click hole in Windows DNS Server. Microsoft rates it 'exploitation less likely.' The researchers who track these for a living aren't so sure.

Priya Nair · 2h ago · 6 min