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 says it's hard at work on a patch for this worrying Defender zero-day

RoguePlanet now has a CVE and a patch in the works, a week after the disclosure of a PoC.
Windows Report

Microsoft Confirms RoguePlanet Defender Zero-Day, Patch in Development

Microsoft has confirmed CVE-2026-50656, the RoguePlanet Defender zero-day that can grant SYSTEM privileges on Windows 10 and ...

New Windows Zero-Day Claims BitLocker Bypass Amid Microsoft Disclosure Fight

A new Windows zero-day reportedly bypasses BitLocker, adding pressure on Microsoft as researchers debate the exploit’s ...

Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation

Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.
SecurityWeek

Microsoft Working on Patch for ‘RoguePlanet’ Zero-Day

Microsoft has acknowledged the RoguePlanet zero-day exploit and is working on a high-quality patch to resolve the ...
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 ...

With Just 1 Click, Researchers Figured Out How to Hijack Microsoft Copilot to Steal Your Data

A recent Microsoft Copilot exploit demonstrates how AI can make existing cybersecurity bugs even more virulent.
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 ...