A crucial Windows security certificate just expired - how to check your PC ...

Article and title updated as 3 additional zero-days were fixed in the June 2026 Patch Tuesday. Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws, including five ...

It has been one of the most exciting stretches for Windows in years. After a genuinely dismal 2025, where Microsoft shipped broken update after broken update, we counted more than twenty major issues.

If you have a Windows PC running on older hardware, particularly something from before 2018, chances are you’ve been wondering what the Secure Boot certificate rollout means for you. Most modern PCs ...

Windows' built-in BitLocker encryption system has a glaring YellowKey-shaped flaw that Microsoft hasn't fixed yet, but unless ...

KB5094126 fixed 208 security flaws but introduced bugs affecting the Recycle Bin, BitLocker recovery, OneDrive, and system stability across all Windows versions.

HP, Dell, ASUS, Lenovo, MSI, Acer, Samsung, LG, and Surface have published Secure Boot guidance as Microsoft's 2011 ...

Security researcher Chaotic Eclipse (aka Nightmare-Eclipse and MSNightmare) has released a new Windows BitLocker bypass dubbed GreatXML, a day after they published an exploit for Microsoft Defender.

What if your AI coding assistant could be tricked into stealing your own company’s secrets – by reading a single booby-trapped bug report? No phishing email. No malware. No password ever stolen.

Microsoft’s monthly update included 206 fixes for flaws in everything from Windows to Office to Exchange Server, not to mention three zero-days.

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks.