Windows 10 · 2019 · Release · Security update (Patch Tuesday)
Feature update to Windows 10, version 1809 (17763.9020)
- Release
- Feature update
- KB5099538 — Microsoft's article, opens in a new tab
- amd64
- x86
AI summary
This cumulative update improves reliability, strengthens security through Secure Boot and RDP hardening, and fixes File Explorer, OLE Automation, and Recycle Bin issues. (support.microsoft.com)
Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.
Known issues — reported on the forum
No problems reported on the forum for this build yet. Threads that name 17763.9020 or KB5099538 and describe a fault appear here automatically.
In the news
- Coverage Office 2019 for Mac Enters Reduced-Functionality Mode After July 13
- Coverage Office 2019 for Mac Loses Editing After July 13 Certificate Expiry
- Fix CVE-2026-55051: Install Final SharePoint 2016/2019 Security Fix
- Fix CVE-2026-58277: Patch SharePoint 2016/2019 Before Support Ends
- Coverage Debian 13.6 Reverts GeoIP to 2019, Adds Secure Boot Support
- Coverage AKS Windows Server 2019 Pools Unsupported—Replace by April 1, 2027
- Coverage Exchange 2016/2019 ESUs End October 2026—No Period 3
- Coverage Office 2019 for Mac Goes Read-Only: Office 2024 vs Microsoft 365
Discussed on the forum
No member thread names 17763.9020 yet.