Microsoft has officially acknowledged a critical zero-day vulnerability in Microsoft Defender, publicly dubbed “RoguePlanet,” and confirmed it is actively developing a security patch to address the flaw. Tracked as CVE-2026-50656, the vulnerability was formally published on June 16, 2026, by... Read more → The post Microsoft Confirms Defender RoguePlanet 0-Day Exploit and Working to Release Patch appeared first on IT Security News .