Microsoft Office Security Feature Bypass Vulnerability
CISA KEV deadline
CVE-2026-21509
Assessment context
CISA deadline passed 253 days ago
No access to your tenant or devices. Every item links to its source. What this means
Week 7 · 9 Feb – 15 Feb 2026 UTC · assess the changes, then plan the next dates.
SecurityMicrosoft 365 Apps
CISA KEV deadline
CVE-2026-21509
CISA deadline passed 253 days ago
Message CenterMicrosoft Entra
Message CenterExchange
Message Center action date · Microsoft 365 Message Center Archive by Merill Fernando
SecurityMicrosoft 365 Apps
CISA KEV deadline
CVE-2026-21514
CISA deadline passed 238 days ago
SecurityWindows5 source records
CISA KEV deadline
CVE-2026-21513
CISA deadline passed 238 days ago
CISA KEV deadline
CVE-2026-21533
CISA deadline passed 238 days ago
CISA KEV deadline
CVE-2026-21525
CISA deadline passed 238 days ago
CISA KEV deadline
CVE-2026-21510
CISA deadline passed 238 days ago
CISA KEV deadline
CVE-2026-21519
CISA deadline passed 238 days ago
SecurityConfiguration Manager
CISA KEV deadline
CVE-2024-43468
CISA deadline passed 236 days ago
SecurityWindows
CISA KEV deadline
CVE-2008-0015
CISA deadline passed 231 days ago
DatesSpeech to Text API v3.0 API Retirement
Retirement
Message CenterTeams
Dates2 products2 source records
Retirement
DMS (classic) – SQL Scenarios only retirement; Feature deprecation: Trigger playbooks on alerts by analytics rule
DatesAzureML Batch Endpoints API Preview retirement
Message CenterDefender
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.