Last night Microsoft pushed out a patch for folks running the latest release of Windows 10 (version 1607). Unless you’ve taken steps to block updates, your PC probably installed it overnight.

But there’s a problem: Nobody can say for sure what the patch does.

There’s no documentation – or more accurately, there’s a surfeit of documentation, with at least two credible, conflicting descriptions of KB 3211320.
It’s likely that KB 3211320 is a servicing stack update – a new version of the software that handles Windows patches.

But there’s also a credible description in Microsoft’s own posts that says KB 3211320 is a critical patch for Microsoft Edge, identified as MS17-001.To read this article in full or to leave a comment, please click here

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