Microsoft Malicious Software Removal Tool (3074162)Īpplies only to May 2015 or earlier versions of the Microsoft Malicious Software Removal Tool. MSRT Race Condition Vulnerability - CVE-2015-2418 Vulnerability Severity Rating and Maximum Security Impact by Affected Software This advisory discusses the following software. For more information on how to verify the engine version number that your software is currently using, see the section, "Verifying Update Installation", in Microsoft Knowledge Base Article 2510781. *If your version of the Microsoft Malicious Software Removal Tool is equal to or greater than this version, then you are not affected by this vulnerability and do not need to take any further action. Last version of the Microsoft Malicious Software Removal Tool affected by this vulnerabilityįirst version of the Microsoft Malicious Software Removal Tool with this vulnerability addressed Advisory Detailsįor more information about this issue, see the following references: References The exact timeframe depends on the software used, Internet connection, and infrastructure configuration. Typically, no action is required of enterprise administrators or end users to install updates for the Microsoft Malicious Software Removal Tool, because the built-in mechanism for the automatic detection and deployment of updates will apply the update within 48 hours of release. An attacker could then install programs view, change, or delete data or create new accounts with full administrative rights.Īdministrators of enterprise installations should follow their established internal processes to ensure that updates are approved in their update management software, and that clients consume the updates accordingly. An authenticated attacker who successfully exploited the vulnerability could elevate privileges on a target system. The vulnerability could allow elevation of privilege if an attacker logs on to a target system and places a specially crafted dynamic link library (.dll) file in a local directory. Microsoft is releasing this security advisory to inform customers that an update to the Microsoft Malicious Software Removal Tool (MSRT) is available that addresses a security vulnerability that was reported to Microsoft. ![]() If the operating system language is not supported, MSRT uses United States English (en-us).In this article Vulnerability in Microsoft Malicious Software Removal Tool Could Allow Elevation of Privilege To learn more about the latest MSRT detections, read the posts about MSRT in the Microsoft Malware Protection Center blog. Data collected during errors and detectionsįor detailed information about deploying MSRT, IT administrators can read KB891716.Release information, including the complete list of covered malware families.Visit this KB entry for more information about: This KB entry contains information about MSRT and provides links to related topics. Information for IT administrators and advanced users (KB890830)įor advanced information, read KB890830 at. It also generates the following log file: The standalone version available on this page is delivered at the same time.Īfter the standalone version of MSRT scans the computer and removes threats, it displays a report that lists the threats. Microsoft generally delivers MSRT with Windows Update the second Tuesday of the month. ![]() If you would like to run MSRT on demand, run the standalone version. The integrated version automatically runs in the background. For comprehensive malware detection and removal, consider using Microsoft Safety Scanner.Įnable automatic updates to regularly get MSRT with Windows Update. MSRT targets prevalent malware families only. This tool does not replace full-fledged antimalware such as Windows Defender Antivirus. To complement your antimalware product.If you suspect an infection from prevalent malware families ( see covered threats).Windows Update automatically downloads and runs MSRT in the background. If you have automatic updates for Windows turned off.
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