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Microsoft has issued a new security patch to fix the earlier security update that was released in January to tackle "Meltdown" vulnerability found in microchips from Intel and other chip-makers. The flaw "CVE-2018-1038" was found in the first patch that was issued to protect Windows 7 x64 or Windows Server 2008 R2 x64 systems from the "Meltdown" vulnerability. Security researchers disclosed two flaws - "Meltdown" and "Spectre" -- on January 3 that affected nearly every modern computing device containing chips from Intel, AMD and ARM Holdings.