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

As part of August’s Patch Tuesday, Microsoft released security updates that address 398 new vulnerabilities. Alongside ...

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 has a new Defender anti-virus update for Windows 11 and 10 images. The new update patches several flaws. Following the one for Lumma last month, Microsoft has also published a new Defender ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft and CISA confirm Defender zero-days exploited in the wild. Microsoft has started ...

Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldBreak" after Microsoft released the August 2026 Patch Tuesday security updates.

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