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.

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

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

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

Researchers have discovered a new way hackers could use to exploit Windows devices. They have found a vulnerability in your PC’s operating system that could let threat actors downgrade it to an older ...

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 ...

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 ...

This one's important, so let's get right to it: a new security flaw in all versions of Windows opens the door for a wormable remote code execution vulnerability. That means it can be exploited by an ...

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Threat actors are using three publicly available proof-of-concept exploits to attack Microsoft Defender and turn the security platform's primary cleanup and protection functions against organizations ...

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed "RedSun," in the past two weeks, protesting how the company works with ...