3152550 – Update to Improve Wireless Mouse Input Filtering – Version: 1.1

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Revision Note: V1.1 (April 22, 2016): Added FAQs and additional information to clarify that only standalone mouse devices are affected. This is an informational change only.
Summary: Microsoft is announcing the availability of an update to improve input filtering for certain Microsoft wireless mouse devices. The update enhances security by filtering out QWERTY key packets in keystroke communications issued from receiving USB wireless dongles to wireless mouse devices. This improvement is part of ongoing efforts to improve the effectiveness of security in Windows and Microsoft devices. For more information, see Microsoft Knowledge Base Article 3152550.