Weekly briefing
Week 9 · 23 Feb – 1 Mar 2026 UTC · assess the changes, then plan the next dates.
Act on2
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Cisco · 2 security records
CVE-2022-20775
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[INVESTIGATING] Users may get the error "Can't connect to the server" when creating groups in classic Outlook
Classic Outlook known issues
Coming up8
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Microsoft Windows Shell Protection Mechanism Failure Vulnerability
CVE-2026-21510
Same day: CISA KEV deadline: Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability; CISA KEV deadline: Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability; CISA KEV deadline: Microsoft Windows Type Confusion Vulnerability; CISA KEV deadline: Microsoft Windows NULL Pointer Dereference Vulnerability; CISA KEV deadline: Microsoft Windows Improper Privilege Management Vulnerability
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Patch Tuesday, 10 March 2026
The second Tuesday of the month, when Microsoft releases security updates for Windows, Office, and servers.
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Retirement: 2 products
DMS (classic) – SQL Scenarios only retirement; Feature deprecation: Trigger playbooks on alerts by analytics rule
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Retirement: AzureML Batch Endpoints API Preview retirement
Same day: Message Center action date: MC1234542: Retirement of “Suspected identity theft (pass-the-ticket)” classic alert
Changed2
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Az PowerShell module 15.4.0
Az PowerShell module releases
How this list is chosen
Changes from 23 Feb 2026 – 1 Mar 2026 UTC and dates due up to 31 Mar 2026. Dates are the source's own, or labelled as the day ChangeIntel observed a change; never inferred effective dates.
Ranked by kind: exploited vulnerabilities, then up to 7 dates, open known issues, and other notable changes, with at most one entry per feed. Service incidents are on the status board; security baseline downloads, first captures of a document, and metadata-only documentation checks are left out. This is a view of retained evidence, not a reconstruction of everything known at the time.
The briefing is selective. Browse every dated change, review upcoming dates or check the period's coverage.