Episode Details

On this episode of Prime Cyber Insights, we break down the immediate risk posed by the RoguePlanet zero-day targeting Microsoft Defender and the escalating feud between independent researchers and major vendors. We detail the mechanics of the race condition affecting Windows 11 and how practitioners can use application allowlisting as a temporary mitigation. The briefing also explores a single-character logic inversion flaw in the Linux kernel and the operational strain AI-generated security reports are placing on kernel maintainers. Finally, we review critical patches for Ivanti Sentry and a configuration-based spoofing risk in Microsoft Exchange known as Ghost-Sender.

Topics Covered

• 🚨 Microsoft Defender RoguePlanet zero-day and SYSTEM privilege escalation.
• 💻 Linux kernel CVE-2026-23111 logic inversion and maintainer burnout.
• 🛡️ Critical root-level RCE patches for Ivanti Sentry mobile gateways.
• 📧 Exchange Ghost-Sender vulnerability in hybrid mail configurations.
• 🌐 The invisible battlefield: Chris Inglis on critical infrastructure risk.

Disclaimer: This program is for informational purposes only and does not constitute professional security or legal advice.

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• (00:12) - Introduction
• (00:30) - RoguePlanet Defender Zero-Day
• (01:10) - Linux Kernel Logic Inversion