A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I'm not explaining how this works.” ...

CVE-2026-32202 actively exploited after April 27 advisory fix, exposing NTLMv2 hashes via zero-click SMB authentication.

The leak online of exploit code for an apparent Windows zero-day flaw dubbed "BlueHammer" could be the sign of a larger issue that security researchers face when collaborating with Microsoft on ...

A researcher discovered five different exploit paths that stem from an architectural weakness in Windows' Remote Procedure ...

Microsoft’s Windows K2 initiative is mapping and tracking promised fixes to Windows 11, aiming to restore performance, reliability, and user trust. The effort comes amid industry-wide pressure to ...

At least 11 state-backed hacking groups from North Korea, Iran, Russia, and China have been exploiting a new Windows vulnerability in data theft and cyber espionage zero-day attacks since 2017.

Microsoft confirmed a Windows zero-click flaw tied to an incomplete patch is being exploited, putting credentials at risk for ...

Microsoft has released out-of-band (OOB) security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with publicly available proof-of-concept exploit code. WSUS is ...

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit them. Now, hackers are taking advantage of the vulnerabilities in real life ...

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Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users.

All modern Windows PCs come with Microsoft Defender built in. For the unaware, this tool is Windows’ native antivirus. Over time, it has matured into a reliable security tool capable of blocking a ...