Weekly briefing
Week 49 · 1 Dec – 7 Dec 2025 UTC · assess the changes, then plan the next dates.
Dates in the next 30 days
5 source records · 5 groupsSecurityWindows
Microsoft Windows Use After Free Vulnerability
CISA KEV deadline
CVE-2025-62221
Assessment context
CISA deadline passed 301 days ago
Message CenterTeams
Message CenterMicrosoft 365 Apps
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.