On September 16 2014, we released the following updates: 11.0.09 for Reader XI & 10.1.12 for Reader X. Update Acrobat and Reader to the latest version by choosing Help > Check for Updates. For more informtation, see http://helpx.adobe.com/acrobat/release-note/release-notes-acrobat-reader.html.

There have been several reports from Adobe customers about phishing scams purporting to offer the latest updates to Adobe  Reader. Updates to Adobe software are made available from Adobe only on our website — we do not make any updates to our software available through third parties. Please see http://www.adobe.com/security/prevent-phishing.html.