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 security vulnerability in Microsoft’s Defender security program. The ...

Microsoft Confirms Windows Defender Flaw That Could Give Attackers Full SYSTEM Access

The newly disclosed Windows Defender flaw, tracked as CVE-2026-50656, could let attackers escalate privileges on fully ...
Microsoft

Protecting Microsoft at AI speed: How SFI proactively hardens our cloud

Learn how Microsoft uses AI to proactively harden its own cloud services through the Secure Future Initiative (SFI).

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 ...
Bleeping Computer

Exploit released for new Windows Server "WinReg" NTLM Relay attack

Proof-of-concept exploit code is now public for a vulnerability in Microsoft's Remote Registry client that could be used to take control of a Windows domain by downgrading the security of the ...
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 ...
Bleeping Computer

Attackers exploit link-wrapping services to steal Microsoft 365 logins

A threat actor has been abusing link wrapping services from reputed technology companies to mask malicious links leading to Microsoft 365 phishing pages that collect login credentials. The attacker ...