Daily Defsec Brief - Cyber Security News for July 9 2026

Daily DefSec Brief · Jul 9, 2026 · 4m · transcript

Apologies for the dog barking. She was mad that she had not yet received her morning allotment of cheese. 1. Microsoft patches the RoguePlanet Defender zero-day after a month of public exploit code — CVE-2026-50656 (related: CVE-2026-33825, CVE-2026-41091, CVE-2026-45498) — BleepingComputer https://www.bleepingcomputer.com/news/microsoft/microsoft-patches-rogueplanet-defender-zero-day-vulnerability/ · SecurityWeek https://www.securityweek.com/microsoft-patches-defender-rogueplanet-vulnerability/ 2. GodDamn ransomware uses a Microsoft-signed driver to blind EDR via BYOVD — no CVE — Dark…