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

The newly disclosed Windows Defender flaw, tracked as CVE-2026-50656, could let attackers escalate privileges on fully ...

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

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

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

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

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

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

Microsoft has confirmed it has fixed the Local Security Authority (LSA) is off issue with a recent update to Defender. The company is also pushing out new kernel-mode hardware stack protection.

Microsoft has pulled a recent Microsoft Defender update that was supposed to fix a known issue triggering persistent restart alerts and Windows Security warnings that Local Security Authority (LSA) ...

Both AVG and Windows Defender work to protect your PC from malware and other security threats. They both have major differences in the following aspects. AVG and Windows Defender mainly differ in ...