MS15-085: Description of the security update for Windows Mount Manager: August 11, 2015

Summary

This security update resolves a vulnerability in Windows that could allow elevation of privilege if an attacker inserts a malicious USB device into a target system. An attacker could then write a malicious binary to disk and execute the code.

To learn more about the vulnerability, see Microsoft Security Bulletin MS15-085.

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Important
  • All future security and nonsecurity updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer so that you receive future updates.
  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

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Known issues in this security update

  • After you install this security update on a computer that is running Windows 7 or Windows Server 2008 R2, you may receive an error message when you try to save a recording by using the Problem Steps Recorder. To resolve this issue, install the following update:

    3080149 Update for customer experience and diagnostic telemetry

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see
Get security updates automatically.

Note For Windows RT and Windows RT 8.1, this update is available through Windows Update only.
Method 2: Microsoft Download Center

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