Researchers Rate All Six Microsoft Patches as Critical

Microsoft rated three of six Patch Tuesday issues as critical, but security researchers say the other three can quickly escalate. Wolfgang Kandek of Qualys said the ISA, Publisher and virtualization vulnerabilities can give a remote attacker control of a computer. Andrew Storms of nCircle hopes for a more complete ActiveX patch later.

Microsoft on Tuesday released six bulletins as part of its monthly patch cycle. Three of the bulletins cover critical flaws, including two unpatched zero-day vulnerabilities. Three other bulletins address important risks that security researchers said can quickly escalate to critical. 

Wolfgang Kandek, CTO of Qualys, said Microsoft's advisories should be addressed immediately because they allow an attacker to take complete control of a victim's computer.

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