2 New Microsoft Defender Zero-Days Exploited—Patch Now Rolling Out

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

Microsoft Defender Zero-Days Patched: RedSun, UnDefend Exploits Already Used in Live Intrusions

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

New Microsoft Defender exploits discovered. How to protect yourself

It doesn't require a lot of effort.

Microsoft warns of new Defender zero-days exploited in attacks

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

5 Windows Defender settings I change ASAP on any new PC

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus ...

Microsoft Windows Alert—Angry Hacker Drops 2 New Zero-Day Exploits

The latest Microsoft Patch Tuesday rollout featured no zero-days. However, an angry hacker has just dropped two new 0-day ...

Microsoft Defender Flaws Exploited on Windows, Two Left Unpatched

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

These 5 critical Windows Defender settings are off by default - turn them on ASAP

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

I've Tested Every Major Antivirus. Please Don't Rely on Just Microsoft Defender

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 ...