How to - Release/renew an IP address - Windows 7

The security landscape for Windows users remains active even for legacy systems. Here are the 5 biggest updates from the March 10, 2026, Patch Tuesday:

Patch Tuesday Milestone: Microsoft addressed 93 vulnerabilities this month, including two publicly known zero-days involving SQL Server (CVE-2026-21262) and a .NET denial of service bug.
Firefox ESR 115 Support Extension: Mozilla has officially extended security support for Firefox ESR 115 on Windows 7 until August 2026. This ensures legacy users have a secure browser for six months longer than originally planned.
AI-Discovered Vulnerability: For the first time, a critical Remote Code Execution vulnerability (CVE-2026-21536) was identified by an autonomous AI agent and subsequently patched by Microsoft in this month's cycle.
Office "Preview Pane" Fixes: Critical patches (CVE-2026-26110 and CVE-2026-26113) were released to prevent attackers from running malicious code simply by having a user preview a booby-trapped email in Outlook.
Secure Boot Certificate Push: Microsoft is rolling out urgent updates for Secure Boot certificates that expire in June 2026. Admins are urged to verify their hardware now to ensure devices remain bootable this summer.