Did m$ released patch for unsupported windozes after Wannacry hit?

Georgi Guninski guninski at guninski.com
Mon May 15 06:22:32 PDT 2017

Wannacry hit on 2017-05-12 using exploit generously donated by the NSA.
For supported windozes the bug was fixed in 2017-03 for unknown reasons.
Looks like for unsupported windozes like XP the patch was released on
2017-05-13 after Wannacry hit:
Is it really so?

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