Edge 145.0.3800.70: Chromium security fixes
Security advisory · Microsoft Edge security release notes
No access to your tenant or devices. Every item links to its source. What this means
Week 8 · 16 Feb – 22 Feb 2026 UTC · assess the changes, then plan the next dates.
SecurityMicrosoft Edge
Security advisory · Microsoft Edge security release notes
SecurityGitLab
GitLab · exploited, added to CISA KEV
CVE-2021-22175
CISA lists it as exploited
Message CenterDefender3 source records
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Microsoft marks it a major change
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
SecurityGoogle Chrome
Google · exploited, added to CISA KEV
CVE-2026-2441
CISA lists it as exploited
SecurityMicrosoft Edge
Security advisory · Microsoft Edge security release notes
The vendor reports an exploit in the wild
SecurityWindows
Added to CISA KEV
CVE-2008-0015
CISA lists it as exploited
SecurityDefender
Security news · Microsoft Defender for Endpoint Blog
SecurityCloudflare
Security advisory · Cloudflare WAF changelog
Release notes name CVE-2025-68645, CVE-2025-31125
SecurityMicrosoft 365 Apps
CISA KEV deadline
CVE-2026-21509
CISA deadline passed 253 days ago
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.