Security patches to address vulnerabilities in ArcGIS for Server and the web adaptor for IIS

Esri has released security patches to address serious vulnerabilities within ArcGIS for Server and the Web Adaptor for IIS, from versions 10.1 through to 10.2.2. Any customers running the relevant versions of the software are advised to download and install the patches as described in this article.
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ArcGIS 10.1 SP1 Quality Improvement Patch has been released

At the end of 2013, Esri moved ArcGIS 10.1 into 'Extended Support', which means that it will not be certified against new Operating Systems and environments. As part of this transition, Esri have released a Quality Improvement Patch to address performance and stability issues with this version of the software.
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