This month's Patch Tuesday patches mostly fall into the milquetoast vein: Of 16 security bulletins, only five are marked "critical" and only one has a known exploit. Windows 10 cumulative update 13, KB 3163018, brings the latest release version 1511 up to build 10586.240. This is mostly ho-hum stuff. But there are a couple of disconcerting surprises.
Microsoft slipped another handful of nonsecurity fixes into its security patch. This makes the third month in a row that the IE11 security patch got a bundled set of nonsecurity changes. When this happened in March, Microsoft was
sneaking a Get Windows 10 ad generator into IE -- the generator was never turned on, as best I can tell.