Weekly briefing Week 2026-W05
Weekly briefing Week 5 · 26 Jan – 1 Feb 2026 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 period165 source records · 81 groups
26 Jan 2026
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
26 Jan 2026
Security Cloudflare
Security advisory · Cloudflare WAF changelog
Assessment context Release notes name CVE-2026-23864
CVE-2026-23864
26 Jan 2026
Security Microsoft 365 Apps
Added to CISA KEV
CVE-2026-21509
Assessment context CISA lists it as exploited
26 Jan 2026
Updates and guidance Active Directory
Windows news · Ask the Directory Services Team
26 Jan 2026
Updates and guidance Microsoft Graph 3 source records
Graph announcement · 1 passages · 2 entries
Identity and access (v1.0): 1 API change passage Graph announcement · 1 passages · Microsoft Graph changelog
Assessment context Publisher announcement group; its passages may describe different API changes
Security (beta): 2 API change passages Graph announcement · 2 passages · Microsoft Graph changelog
Assessment context Publisher announcement group; its passages may describe different API changes
26 Jan 2026
Updates and guidance Windows 365
Product news · Windows 365 what's new
26 Jan 2026
26 Jan 2026
Releases ADEssentials
Tool release · ADEssentials package releases
26 Jan 2026
Releases iOS and iPadOS 8 source records
New version · 8 entries
Show the other 5 entries
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.