ShieldBreak is a claimed patch bypass for Defender flaw CVE-2026-50656, with a PoC tested on Windows 11 25H2 and Server 2025.

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices.

Microsoft updates Defender for Windows 11, Windows 10, and Server installation images with security intelligence version ...

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 ...

The takeaway: A recent social spat highlights the conflicting priorities between Microsoft and open-source projects such as VLC. The universal media player is having issues dealing with MP3 audio ...

A bug involving Microsoft Defender causes MP3 files to take over 30 seconds to open in VLC media player. The delay occurs ...

Spread the loveIt’s a scenario that keeps security professionals up at night: a critical vulnerability is discovered, a patch ...

Microsoft’s free built-in security software for Windows PCs, Defender Antivirus, provides excellent anti-malware protection for Windows PCs. However, it lacks some extras found in third-party products ...

Microsoft has resolved an issue that breaks multiple Microsoft 365 Defender features using the network data reporting service after installing July's Windows Server updates. The Microsoft 365 Defender ...

Microsoft Defender automatically isolated a compromised QNET endpoint in 129 seconds, stopping a multi-stage attack before the payload could persist or spread.