A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows ...

Microsoft Defender RoguePlanet vulnerability has been patched after a zero-day flaw was disclosed following the June 2026 ...

Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too.

Microsoft has patched RoguePlanet—a Defender zero-day vulnerability that lets hackers gain full access to your PC—via Windows ...

The feud between "NightmareEclipse" and Microsoft continues to hold unpleasant surprises for the Windows ecosystem. The ...

Microsoft Patches RoguePlanet Defender Flaw That Can Grant SYSTEM Privileges | Read more hacking news on The Hacker News ...

A week ago, the security researcher who goes by “Nightmare Eclipse” published information about RoguePlanet, a zero-day security vulnerability in Microsoft’s Defender security program. The ...

Microsoft has tackled yet another zero-day vulnerability published by a disgruntled security researcher with a vendetta ...

Do you still need third-party antivirus on your Windows PC?

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

Windows 11 Pro keeps your PC safe through a sophisticated suite of tools. Here's how to respond to common alerts. When you purchase through links on our site, we may earn an affiliate commission. Here ...

Microsoft might see the Mac as a threat to its Windows platform, but that won’t stop it from protecting macOS users. The company’s Defender anti-virus software, previously a Windows exclusive, has ...