Easing into the brand new 12 months with a modest January Patch Tuesday

Microsoft rolled into 2021 with a reasonably benign replace cycle for Home windows and Microsoft Workplace techniques, delivering 83 updates for January.

Yes, there may be an replace to Home windows defender (CVE-2021-1647) that has been reported as exploited. Sure, there was a publicly disclosed challenge (CVE-2021-1648) within the Home windows printing subsystem. However there are not any Zero-days and no “Patch Now” suggestions for this month. There are, nonetheless, numerous function and performance teams “touched” by these updates; we suggest a complete take a look at of printing and key graphics areas earlier than common Home windows replace deployment.

In the meantime, for Workplace we suggest sticking with a modest-paced rollout with a deal with Phrase and Excel testing.

We’ve got included an infographic that this month seems to be a bit of lopsided since all the consideration ought to be on Home windows elements

Key testing situations

Working with Microsoft, we have now developed a system that interrogates Microsoft updates and matches any file adjustments (deltas) launched every month in opposition to our testing library. The result’s a “hot-spot” testing matrix that helps drive our portfolio testing course of. This month, our evaluation of this Patch Tuesday launch generated the next testing situations:

  • The Microsoft SPLWOW64 sub-system has been up to date in the way it communicates with the GDI system. Testing situations are equivalent to the November Microsoft replace launch cycle. We suggest that you just run take a look at print jobs from your entire browsers, Workplace, and your core line of enterprise purposes. Trace: print totally different sizes of paperwork — go for the bigger ones, and take a look at printing to a file (PDF).

After an intensive testing of your printing sources (keep in mind to incorporate distant printing by way of RDP), you also needs to take a look at the next areas:

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