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

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

Microsoft pushed out-of-band patches on May 21, 2026, for two actively exploited Windows Defender zero-days — one that lets a ...

It doesn't require a lot of effort.

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users.

Microsoft fixed a Defender false positive that flagged legitimate DigiCert certificates as malware, disrupting Windows trust stores for some IT teams.

While there weren’t any genuine zero-day vulnerabilities to patch in May’s Patch Tuesday update, the fallout since then has ...

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

Windows remains one of the most targeted systems by threat actors by volume, according to recent statistics from AV-TEST, ...