Microsoft patched two actively exploited Defender zero-days affecting Windows systems and security components.

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ...

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by ...

CISA confirms two bugs being actively exploited in the wild, as Microsoft releases patches.

CISA has added the Microsoft Malware Protection Engine and Microsoft Defender Antimalware Platform vulnerabilities to its KEV ...

It doesn't require a lot of effort.

On Wednesday, Microsoft started rolling out security patches for two Defender vulnerabilities that have been exploited in ...

Microsoft releases new Windows Defender update packages very frequently to protect against various newly discovered malware. Once a while every three months or so, the company also pushes out these ...

Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active ...

Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why.

A phone displaying the Microsoft Defender logo, with the product page for Microsoft Defender Antivirus for Windows in the background - T. Schneider/Shutterstock Antivirus software is simply essential, ...

Microsoft claims Windows Defender is all the protection you need. I've been testing antivirus software for decades, and the evidence—not to mention the threats it can't protect you from—says otherwise ...