CuraSec

Plan archived

Windows 10 KB5099539 Extended Security Update Released

2026-07-15 12:11 UTC · BleepingComputer · read the source ↗ #windows#patch-tuesday#esu
  • Engineer — Plan: Windows 10 is in ESU territory; if you still run Win10 endpoints or golden images, deploy KB5099539 to stay covered under the extended support contract — schedule within your normal patch window.
  • SOC/IR — Skip
  • Leader — Plan: If your organization is paying for Windows 10 ESU, confirm KB5099539 is being deployed; if not, this is a prompt to assess Win10 fleet size and budget for ESU licensing or migration costs before end-of-extended-support.
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