Windows Server · 2019 · Release · Security update (Patch Tuesday)
June 9, 2026—KB5094123 (OS Build 17763.8880)
- Release
- Cumulative update
- KB5094123 — Microsoft's article, opens in a new tab
Windows Server 2019: Extended support
Known issues — reported on the forum
No problems reported on the forum for this build yet. Threads that name 17763.8880 or KB5094123 and describe a fault appear here automatically.
In the news
- Coverage June 2026 Windows Dynamic Updates: WinRE and Setup Servicing for Upgrade Success
- Fix CVE-2026-42978: Windows Push Notifications Local SYSTEM Privilege Escalation Fix
- Fix CVE-2026-42984 Windows Kernel EoP: Patch the SYSTEM Use-After-Free Fast
- Fix CVE-2026-42837: ProjFS Filter Driver Local Privilege Escalation Fixed June 2026
- Coverage CVE-2026-42836: Important Windows EoP Race Condition Leading to SYSTEM
- Fix CVE-2026-45602: Patch Windows DHCP Server Tampering (CVSS 9.1) ASAP
- Fix CVE-2026-48575 Secure Boot Bypass: June 2026 Fix for Windows Local High-Priv Flaw
- Fix CVE-2026-48568 Secure Boot Bypass: June 2026 Patch Tuesday Update Guide
Discussed on the forum
No member thread names 17763.8880 yet.