An anonymous reader writes "In this month's Patch Tuesday, Microsoft has released nine security bulletins to address 56 unique vulnerabilities in Microsoft Windows, Microsoft Office, Internet Explorer, and Microsoft Server software. Of the nine security bulletins, three are rated Critical in severity, and among these three is one that addresses a years-old design flaw that can be exploited remotely to grant attackers administrator-level privileges to the targeted machine or device. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights." Reader jones_supa writes, though, that the most recent patch rollout came with a bug of its own, since corrected: the company apparently botched a rollup update for Visual Studio 2010 Tools for Office Runtime: "There is an issue with KB3001652: many users are reporting that it is locking up their machines while trying to install it. It does not seem that this patch is doing any other damage though, such as bricking the operating system. These days Microsoft appears to be reacting quickly to this kind of news as it looks like the patch has already been pulled from Windows Update."