CVE-2026-20841 - Security Update Guide - Microsoft - Windows Notepad App Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20841
New threat actor, UAT-9921, leverages VoidLink framework in campaigns
https://blog.talosintelligence.com/voidlink/
New Linux botnet SSHStalker uses old-school IRC for C2 comms
https://www.bleepingcomputer.com/news/security/new-linux-botnet-sshstalker-uses-old-school-irc-for-c2-comms/
Microsoft releases Windows 11 26H1 for select and upcoming CPUs
https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-windows-11-26h1-for-select-and-upcoming-cpus/