Operating system patching and software update reconciliation

Apparatus and methods are disclosed for implementing software reconciliation frameworks to process changes detected to software installed on computer hosts. According to one embodiment, a method includes receiving change data describing changes to one or more software components stored on a computer-readable storage device, determining installed software on a computer associated with the computer-readable storage device, receiving a manifest comprising a description of file changes associated with a software patch or update for the installed software, and comparing the change data to the manifest. Based on the comparing, if the change data matches the manifest, the changes are promoted, and if the change data does not match the manifest, the changes are marked for further analysis.