Microsoft fixed 23 vulnerabilities across eight security bulletins as part of its October Patch Tuesday release. The release addresses flaws in Internet Explorer, .NET Framework and Silverlight, Windows, Forefront UAG and Host Integration Server. Two of the updates were labeled "critical, " Microsoft 's most-serious threat ranking, while the other six were rated "important, " the next-most-severe tag. One critical vulnerability, MS11-081, is a cumulative security ...

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