Microsoft scrambles to patch a Defender security flaw called RoguePlanet

A week ago, the security researcher who goes by “Nightmare Eclipse” published information about RoguePlanet, a zero-day ...

Microsoft tracks RoguePlanet zero-day vulnerability as CVE-2026-50656

Microsoft is trying to fix the RoguePlanet zero-day vulnerability impacting Defender on Windows 11 and Windows 10.
Forbes

Microsoft Windows Alert—Angry Hacker Drops 2 New Zero-Day Exploits

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. This voice experience is generated by AI. Learn more. This ...
Forbes

Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft confirms Exchange zero-day, CISA warns it's under active exploitation. Updated May ...
Microsoft

Improving security posture across the Microsoft partner ecosystem

Read how Microsoft strengthens partner ecosystem security with CSP vetting, least privilege access, monitoring, and risk ...
Ars Technica

Zero-day exploit completely defeats default Windows 11 BitLocker protections

A zero-day exploit circulating online allows people with physical access to a Windows 11 system to bypass default BitLocker protections and gain complete access to an encrypted drive within seconds.
ZDNet

Windows 10 security: Microsoft offers free trial of latest Defender ATP features

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