A researcher released ShieldCrash on September 8, claiming it bypasses Microsoft's Defender fix for flaw CVE-2026-69414.
Over the past few days, some Windows 11 users have been getting incorrect warning messages about Microsoft Defender—the operating system’s built-in security solution—being disabled. According to ...
The anonymous researcher released a new proof-of-concept exploit called ShieldCrash, claiming it bypasses Microsoft's patch for the ShieldBreak Defender vulnerability – the latest in a string of ...
The glitch, which Microsoft says it working to fix, creates an attacker opportunity by convincing users to ignore critical cybersecurity alerts.
An anonymous security researcher known as Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named ...
A bad security intelligence update causes Microsoft Defender to crash during Full and Quick Scans on some PCs. Upgrading to Security Intelligence Update v1.457.236.0 resolves the issue.
The company added both problems to its Windows release health dashboard on August 28. Microsoft has confirmed the Defender ...
A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...
Microsoft is testing a new Defender for Endpoint capability that will automatically isolate compromised endpoints to thwart attackers' attempts to move laterally across the network. This is now ...
The majority of the updates that come through Windows Update are for Windows Defender, and for good reason. Windows Defender helps make your antimalware and other security protections stronger.
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