Microsoft Environment Analysis

Disabling Windows Sidebar and Gadgets can help protect customers from potential attacks that leverage Gadgets to execute arbitrary code. Customers should consider the following ways that an attacker could leverage Gadgets to execute arbitrary code; UN addition, Microsoft is aware that some legitimate Gadgets running in Windows Sidebar could contain vulnerabilities. An attacker who successfully exploited a gadget vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, n attacker could take complete control of the affected system.

An attacker could also create a malicious Gadget and then trick a user into installing the malicious gadget. Once installed, the malicious gadget could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take complete control of the affected system. Gadgets can access your computer’s files, show you objectionable content, or change their behavior at any time. Gadgets could also potentially harm your computer.

Recommendation: Customers who are concerned about vulnerable or malicious gadgets should apply the automated Microsoft Fix it solution as soon as possible. Advisory Number: 2854544 Microsoft is announcing the availability of an update as part of ongoing efforts to improve cryptography and digital certificate handling in Windows. Over the course of months, Microsoft will continue to announce additional updates via this advisory, all aimed at bolstering the Windows cryptography and certificate-handling infrastructure in response to an evolving threat environment.

Recommendation. Microsoft recommends that customers apply the current update at the earliest opportunity. Advisory Number: 2846338 Microsoft is releasing this security advisory to help ensure customers are aware that an update to the Microsoft Mallard Protection Engine also addresses a security vulnerability reported to Microsoft. The update addresses a vulnerability that could allow remote code execution if the Microsoft Mallard Protection Engine scans a specially crafted file.

An attacker who successfully exploited this vulnerability could execute arbitrary code in he security context Of the Local System account and take complete control Of the system. This vulnerability has been publicly disclosed as a denial of service. The Microsoft Mallard Protection Engine is a part of several Microsoft antimatter products. See the Affected Software section for a list of affected products. Updates to the Microsoft Mallard Protection Engine are installed along with the updated mallard definitions for the affected products.

Administrators of enterprise installations should follow their established internal processes to ensure that the definition and engine updates are approved in their update management software, and that clients consume the updates accordingly. Typically, no action is required of enterprise administrators or end users to install updates for the Microsoft Mallard Protection Engine, because the built-in mechanism for the automatic detection and deployment of updates will apply the update within the next 48 hours. The exact time frame depends on the software used, Internet connection, and infrastructure configuration.

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