Microsoft is actively working on a security patch to address RoguePlanet, a zero-day vulnerability in Microsoft Defender that was publicly disclosed approximately one week prior. The vulnerability requires remediation to prevent potential exploitation across affected systems.

Why it matters in Western Canada: Organizations across Western Canada relying on Microsoft Defender for endpoint protection—particularly in government, healthcare, and financial sectors—should monitor patch release timelines and implement updates promptly to close this exposure.

---

Summary generated from the original advisory. Read the full source: bleepingcomputer