Weekly briefing Week 2025-W42
Weekly briefing Week 42 · 13 Oct – 19 Oct 2025 UTC · assess the changes, then plan the next dates.
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Briefing All changes Upcoming dates Source inventory Coverage
All dated changes in this period12 source records · 7 groups
15 Oct 2025
Message Center Windows
Message Center · Prevent or fix issues · Microsoft 365 Message Center Archive by Merill Fernando
Windows
Assessment context Microsoft asks admins to prevent or fix an issue
14 Oct 2025
Message Center Windows 3 source records
Message Center · Stay informed · 3 entries
14 Oct 2025
Releases Windows / Windows Server 2 source records
Security release · 2 entries
KB5066586 · Windows 10, version 1809 +1 Security release
Windows 10, version 1809, Windows Server 2019
Assessment context Monthly security release
KB5066836 · Windows 10, version 1607 +1 Security release
Windows 10, version 1607, Windows Server 2016
Assessment context Monthly security release
14 Oct 2025
Releases Windows Server 2 source records
Security release · 2 entries
KB5066782 · Windows Server 2022 Security release
Windows Server 2022
Assessment context Monthly security release
KB5066835 · Windows Server 2025 Security release
Windows Server 2025
Assessment context Monthly security release
14 Oct 2025
Releases Windows 2 source records
Security release · 2 entries
KB5066791 · Windows 10, version 21H2 +1 Security release
Windows 10, version 21H2, Windows 10, version 22H2
Assessment context Monthly security release
KB5066793 · Windows 11, version 22H2 Security release
Windows 11, version 22H2
Assessment context Monthly security release
13 Oct 2025
Updates and guidance Windows
Product news · Sysinternals Blog
13 Oct 2025
Groups collect records about the same product or named security topic on one UTC date. Open a record for its source and history; grouping alone does not establish a shared cause or impact.